Question

Please solve these (add explaination)

Answer 1

Answer:

a) 26

b) 14

Step-by-step explanation:

Given Formula:

$\frac{1}{2}(\frac{b1+b2}{2})$ x h

Steps for A:

$\frac{1}{2}(\frac{5+8}{2})$ x 4

5+8=13

13÷2=6.5

6.5 x 4

= 26

Steps for B:

$\frac{1}{2}(\frac{1+6}{2})$ x 4

1+6=7

7÷2=3.5

3.5 x 4

= 14