Missing Segment

Line AB is parallel to line CD. Find the measure of segment AE using the information provided. Can you also find the length of segment BE?

Triangle Ratios

Line AB is parallel to line CD. The measure of segment AB is twice the measure of segment CD. What is the ratio between the area of ΔABE and ΔCDE?

Compare Areas

Line BD is parallel to line AC. What is the relationship of the area of triangle ABD to triangle BCD?

1. The areas are the same.
2. The area of ABD is greater than the area of BCD.
3. The area of ABD is less than the area of BCD.
4. Impossible to tell from given information.

Room Volume

A room is 15' long, 12' wide, and 8' high. What is the volume of the room in cubic feet?

Triangle Troubles

Find the value of y. Find the area of the triangle. Find the value of x. What is the measure of angle B (the top angle)?

Seventy-two

For each of the following three-digit numbers, insert one digit anywhere to make a number divisible by 72.

151, 352, 511, 722, 812, 993

Meet Vi Hart

For anyone who doubts that math can be fun, take a look at this site created by a young woman with a love for the beauty and weirdness of numbers. Here's a recent video she made.

Enjoy!