Answer:
5 radical 3
Step-by-step explanation:
b = √c2 - a2
= √102 - 52
= √75
= 8.66025 = 5√3
Answer: D
Using Pythagoras’ theorem
H^2= O^2 + A^2
H= 10
O= 5
A= x
A^2= H^2 - O^2
x^2= 10^2 - 5^2
x^2= 100 - 25
x^2= 75
x= 75^(1/2)
x= 5(3^(1/2))
x= 5 √3
