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?

Answer 1

A. 8.9 cm
B. 20 cm
C. 40 cm
D. 28.3 cm

Answer 2

now use pythagorean theorem
\[a^2+b^2=c^2\]
\[20^2+20^2=d^2\]