Answer:
a) 26
b) 14
Step-by-step explanation:
Given Formula:
[tex]\frac{1}{2}(\frac{b1+b2}{2})[/tex] x h
Steps for A:
[tex]\frac{1}{2}(\frac{5+8}{2})[/tex] x 4
5+8=13
13÷2=6.5
6.5 x 4
= 26
Steps for B:
[tex]\frac{1}{2}(\frac{1+6}{2})[/tex] x 4
1+6=7
7÷2=3.5
3.5 x 4
= 14
