choutowne

8 Questions
11 Answers

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Some help with a geometry question (High school math)

I'm trying to practice for math challengers in February next year by looking at some of the previous iteration's answers, and I'm kind of stuck on this question.
A 6cm diameter, 5 cm tall cylinder is partially filled with water. lire plus ..

choutowne 2 déc. 2024

0

54

6

+58

Question that confused me

I got this question in a textbook and it really confused me. Can anyone help?
Suppose that A is a base 10 digit and the base 63 number A7894321(63) would end with a zero if it were written in base 10. Find all possible values of A.
(A7894321 lire plus ..

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choutowne 31 août 2023

+1

48

1

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Hard geometry problem, need help!

Let R be the circle centered at (0,0) with radius 10. The lines x = 6 and y = 4 divide R into four regions R1, R2, R3, and R4. Let [Ri] denote the area of region Ri. If
[R1] > [R2] > [R3] > [R4],
then find [R1] - [R2] - [R3] + [R lire plus ..

choutowne 9 août 2023

0

72

1

+58

Hard geometry problem, help!

Let R be the circle centered at (0,0) with radius 10. The lines x = 6 and y = 4 divide R into four regions R1, R2, R3, and R4. Let [Ri] denote the area of region Ri. If
[R1] > [R2] > [R3] > [R4],
then lire plus ..

choutowne 8 août 2023

0

49

5

+58

Geometry question

In square ABCD, P is on BC such that BP = 4 and PC = 1, and Q is on CD such that DQ = 4 and QC = 1. Find sin angle PAQ.

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choutowne 8 août 2023

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52

5

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Geometry question please help!!!!!

(this is an update of the same question I already posted; I received two answers from separate users but neither worked so I'm re-posting this in hopes that someone will see this and can figure out what to do next)
Triangle XYZ is equilateral. lire plus ..

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choutowne 8 août 2023

+1

54

4

+58

Geometry problem, Please Help!

The vertices of triangle ABC lie on the sides of equilateral triangle DEF, as shown below in the image. If CD = 5, CE = BD = 2, and angle ACB = 90 degrees, then find AE. lire plus ..

choutowne 7 août 2023

+1

59

4

+58

Need help with geometry problem!

Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the area of the circle is 48pi, then find the area of triangle XYZ.
I am not sure what lire plus ..

choutowne 7 août 2023