Question

The area of a triangle equals 15 square inches. What is the altitude, a, of the triangle in terms of its base, b?
answers:
a=7.5/b inches
a=15/b inches
a=22.2/b inches
a=30/b inches.

Answer 1

omg

Answer 2

what

Answer 3

a = altitude,
b = base
\[area\ of\ \triangle\ =\ \frac{1}{2}ab\]

Given that

\[ \frac{1}{2}ab\ = 15\]
multiply both sides with 2
\[ 2*\frac{1}{2}ab\ = 2*15\]
bh = 30

\[a\ = \frac{30}{b} \ inches\]

Answer 4

thank you!!

Answer 5

yw