Question

Find the length of the third side. If necessary, round to the nearest tenth.
20
25

Answer 1

15

Explanation:

hypotenuse (h) = 25

perpendicular (p) = 20

base (b) = ?

we know by using Pythagoras theorem we get

b = √h² - p²

= √25² - 20²

= √225

= 15