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Verified answer
A.(17×2)+(8×2)
= 34 + 16
= 50
b.
35 × 4
= 140
d.
5 + 13 + 12
= 30
e.
(40×2) + (15×2)
= 80 + 30
= 110
f. 5² + 6² = 25 + 36 = 61
Kel = 4√61
h.
10 + 10 + 22 + 10
= 30 + 22
= 55
i.
Kel = Pi × r × 2
Kel = 22/7 × 35 × 2
Kel = 22/7 × 70
Kel = 22 × 10
= 220
j.
Kel = Pi × r × 2 / 2
Kel = 3,14 × 20
Kel = 62,8