Question

B2 is A= 1/2h(bl+b2), if A=16, h=4, and b1=3
b2=____

Answer 1

b₂ = 5

Explanation:

Substitute the given values into the formula

16 =
`(1)/(2)` × 4 × (3 + b₂)

16 = 2(3 + b₂) ( divide both sides by 2 )

8 = 3 + b₂ ( subtract 3 from both sides )

5 = b₂