Question

Please solve these (add explaination)

Answer 1

a) 26

b) 14

Explanation:

Given Formula:

`(1)/(2)((b1+b2)/(2))` x h

Steps for A:

`(1)/(2)((5+8)/(2))` x 4

5+8=13

13÷2=6.5

6.5 x 4

= 26

Steps for B:

`(1)/(2)((1+6)/(2))` x 4

1+6=7

7÷2=3.5

3.5 x 4

= 14