Step-by-step explanation:
The area A of a triangle is given by
where b is the length of the base and h is its height. Solving for h, we get
Answer:
b)
x=65+32 [ being ext. angle of triangle is equal to the sum of two opposite interior angle]
therefore x=97°
I think that the answer is 10
she would need 166 boxes. there is a remainder of 1. one book wont fit in a box