Rudram592

54 Questions
37 Answers

-1

1038

3

+218

Geometry Question

The surface area of planet AoPS is 100 times that of Earth, and its volume is n times that of Earth. What is n? (Assume both planets are perfect spheres.)
Thanks!

Rudram592 Apr 26, 2020

0

699

1

+218

A Geometry Question

ABCD is a cyclic quadrilateral. Angle A, Angle B and Angle C form an arithmetic sequence in this order. What is Angle D in degrees?

I was pretty stuck on this question. Thanks!

Rudram592 Feb 22, 2020

0

948

3

+218

Help With Geometry!

A rectangular building is 4 meters by 6 meters. A dog is tied to a rope that is 10 meters long, and the other end is tied to the midpoint of one of the long sides of the building. Find the total area of the region that the dog can reach (not including the read more ..

Rudram592 Feb 9, 2020

0

1826

16

+218

Geometry Questions

1) In acute triangle ABC, we know AB = 7, BC = 8, and that CA is the shortest side. What is the smallest possible integer value of CA?

2) Two diagonals of a parallelogram have lengths 6 and 8. What is the largest possible read more ..

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Rudram592 Jan 25, 2020

0

1139

2

+218

Help!

Rudram592 Sep 24, 2019

0

818

2

+218

Help!

If a*b=2a+3b for all a and b, then what is the value of 4*3$

Rudram592 Sep 23, 2019

0

787

1

+218

Help With Geometry!

Rudram592 Sep 22, 2019

0

781

1

+218

Help With Geometry

Rudram592 Sep 22, 2019

0

1944

1

+218

Help With Geometry!

In quadrilateral $PQRS$, sides $\overline {PS}$ and $\overline {QR}$ have equal length and sides $\overline{PQ}$ and $\overline{RS}$ are parallel to each other. Point $X$ is the intersection of the diagonals $\overline {PR}$ and $\overline {QS}.$ Which read more ..

Rudram592 Sep 22, 2019

0

849

4

+218

Help with a Geometry Question

Hey, I need some help with this geometry question that I'm stuck on. Thanks!

Image:
read more ..

Rudram592 Sep 14, 2019

0

2566

5

+218

Help with Geometry Questions!

What is the number of degrees in the smaller angle formed by the hour and minute hands of a clock at 5:44?

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Rudram592 Sep 1, 2019

0

869

3

+218

Help!

There are 1200 trees in an apple orchard. The owner randomly examined 20 trees and found 3 of them are infested. What is the expected number of infested trees in the orchard?

Rudram592 Jun 14, 2019

+1

837

1

+218

Help!

A group of nine people is be split into three teams, so that one team has four people, one team has three people, and one team has two people. How many ways can this be done?

Rudram592 Jun 2, 2019

0

1113

13

+218

Help!

1) In a survey of 100 students who watch television, 21 watch American Idol, 39 watch Lost, and 8 watch both. How many of the students surveyed watch at least one of the two shows?

2) Consider all the possible read more ..

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Rudram592 May 10, 2019

+218

0

Yeah I think I did the same the first time I solved it

Rudram592Apr 14, 2019

+218

+1

Thanks CPhill! I got 243 and did 249-6 instead of 249-7! Now I understood my really silly mistake :)

Rudram592Apr 14, 2019

+218

0

Thanks CalculatorUser and CPhill!

Rudram592Apr 14, 2019

+218

+1

Thanks CPhill!

Rudram592Apr 14, 2019

+218

+2

Yeah! It stumped me too!

Rudram592Apr 13, 2019

+218

+1

Thanks CPhill! You really helped my understand that question!

Rudram592Apr 13, 2019