Question

a) 1/2×2×22/7×1.4+2.8
b) 1/2×2×22/7×1.4+1.5+2.8+1.5
c) 2+2+1/2×2×22/7×1.4
Find this solutions​

Answer 1

Answer:

[a].

$22 \times 0.2 + 2.8 = 7.2$

[b].

$= 22 \times 0.2 + 1.5 + 2.8 + 1.5 \\ = 22 \times 0.2 + 5.8 \\ = 4.4 + 5.8 \\ = 10.2$

[c].

$= 4 + 22 + 0.2 \\ = 4 + 4.4 \\ = 8.4$