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Verified answer
Jawaba, Luas = 7x 5 + 1/2 (22/7)(7) = 35 + 11 = 46
b. Luas = 1/2 (22/7 )(9/2)² = 1/7 (81/4) = 81/28
c. luas = 1/4 (3,14)(5²) = 19,625