Original Geometry Problem. Can you solve it?

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A new interesting geometry problem. Can you find the measure of angle?

In the isosceles triangle ABC (AC=AB), the angle at the vertex is 20°. Point D is chosen on the side AB such that AD=BC. Find the measure of angle CDB.

23 June 2024 7,541 8 View

The problem at hand concerns the application of the "II Lagrange's formula". Would you like to try solving it?

In triangle ABC, the bisector AL₁ is drawn. Points O₁, O₂, O are the centers of the circles circumscribed around triangles ACL₁, ABL₁, ABC, respectively. The radii are denoted as R₁, R₂, R for...

12 June 2024 7,596 1 View

A new interesting problem. Would you like to try solving it?

Consider a circle of radius R with center O. Two other circles are internally tangent to this circle and intersect at points A and B. Find the sum of the radii of the other two circles, given...

29 May 2024 9,788 1 View

There's a new beautiful geometric problem. Would you like to try solving it?

Two circles with radii R and r touch externally at point A. Through point B, which belongs to the larger circle, a tangent to the smaller circle is drawn to point C. Find the length of the...

22 May 2024 4,420 1 View

Find the distance from point K to side BC. Do you have any ideas on how to solve it?

The circle touches AB and AC the lateral sides of the isosceles triangle ABC at the vertices B and C (Fig. 1). On the arc of this circle, which lies inside this triangle, there is a point K so...

11 May 2024 7,124 6 View

Original Geometry Problem.Can you solve it?

In a right-angled triangle ABC (∠C=90°), the height CD equals to h is drawn. The points M and N are chosen on the continuation of AB such that NA=AD and DB=BM (Fig. 1). Find the distance from...

29 April 2024 8,913 3 View

I have a new interesting geometric problem. Do you have any ideas on how to solve it?

In a right-angled triangle ABC (∠C=90°), the height CD equal to h is drawn. The points M and N are the midpoints of the segments BD and AD. Find the distance from the point C to the orthocenter...

06 April 2024 5,232 6 View

I have a new geometric problem. Do you have any ideas on how to solve it?

Point X belongs to the circle inscribed in the equilateral triangle ABC (see Figure 1). Lines parallel to the sides of the triangle are drawn through point X. The areas of the formed triangles...

30 March 2024 5,406 5 View

Dear colleagues, I present to you another elegant geometry problem. Who can solve this problem?

A circle is inscribed in triangle ABC (AC=AB). The point of heights’ intersection (orthocenter) (Fig. 1) belongs to this circle. Find the angles of triangle ABC (Fig. 2).

19 March 2024 1,162 8 View

Original Geometry Problem.Can you solve it?

In triangle ABC (with angle C = 90 degrees), the legs are equal to 5 and 7. From vertex C, segment CD is drawn (with D belonging to side BA) such that circles inscribed in triangles CAD and CBD...

26 February 2024 5,358 30 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

May members post flyers about opportunities to present at a conference? If so, where to post?

May members post flyers about opportunities to present at a conferehttps://veraeducation.com/nce? If so, where to post for the Virginia Educational Research Association? https://veraeducation.com/

08 August 2024 4,585 1 View

What should I do in this situation ?

I'm an undergraduate university student conducting research on the effects of internet use on depression and anxiety among undergraduate Ghanaian university students: Mediation role of Internet...

31 July 2024 2,979 3 View

In teaching with Evidence-Based Practices for students with ASD, what are some that can benefit from the use of AI?

I am a student in a master's program for Special Education and I am curious to see what Evidence-Based Practices that are used in teaching individuals with Autism Spectrum Disorder benefit from...

30 July 2024 5,611 1 View

Tips for teaching Orton Gillingham+ to students with autism?

I am beginning to use OG+ in my district and noticed during training there are a lot of materials and routines, which may be overwhelming for my students, especially those on the autism spectrum....

30 July 2024 5,695 0 View

How to Import Blade geometry from CAD file in ANSYS design modeler?

Hello. I have the geometry of a blade in CAD file (stp) and I want to prepare the blade for meshing with turboGrid. I must import this file into designModeler and then transfer to the...

27 July 2024 356 3 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

All math can be explained by iterator of code?

all math can be traversed by code? all math can be translate to code?

26 July 2024 9,530 0 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

Flow through curved domains?

Hi everyone, I am working on a curved domain in which a ship is situated in the middle (geometry is given below). In my understanding the general fluid flow is parallel to the x axis from inlet to...

25 July 2024 9,058 4 View