Question

Tiara wants to divide a square piece of paper into two equalivalent triangles. If the square measures 20 cm on each side, what will the third side of each triangle measure?


A. 8.9 cm

B. 20 cm

C. 40 cm

D. 28.3 cm

Answer 1

use Pythagorean Theorem

20^2 + 20^2 = c^2
800 = c^2

what is the sqrt800

Answer 2

8x100?

Answer 3

use calculator \(\sqrt{800}\)

Answer 4

10

Answer 5

or you can multiply 20 x \(\sqrt{2}\)

Answer 6

i dont have a calculator that does that

Answer 7

http://www.picalc.com/

Answer 8

i dont know how to work it how do i mak the check

Answer 9

im sorry i havent done math in 10yrs

Answer 10

sqrt800 = 28.2842

Answer 11

so the answer would be d

Answer 12

correct

Answer 13

thanks u