Question

10. What is the length of

side a?
2
2.9.
36 cm
15cm
39 cm
a

Answer 1

the answer is a=15cm

Explanation:

c²=a²+b²

where c=Hypothenuse,a=adjacent, b=opposite

a²=c²-b²

a²=39²-36²

a²=1521-1296

a²=225

take Square root of both sides

a=15cm