Question

Find the length of the hypotenuse.
http://www.thelearningodyssey.com/Assess/DPT/QIEImagesStorage/HSLQ_/HSLQ_GE13K03_G_stem2_1.jpg
A. 10 square root 2
B. 20 square root 2
C. 20
D. 10

Answer 1

The legs of a 45,90,45 triangle are equal. The hypotenuse is the square root of two times the length of one of the legs.

Answer 2

So what's the length of one of legs?

Answer 3

Hint, it comes after the number 9.

Answer 4

The number 10 comes after the number 9. So your answer is 10 square root 2