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Verified answer
Mapel : MatematikaBab : Lingkaran
d = 7 cm
r = 1/2d = 3,5 cm
L = 1/2 × 22/7 × 3,5 × 3,5
L = 19,25 cm^2
A
diameter= 7 cm, maka jari²nya= 7:2= 3,5 cm
π= 22/7
dit:
luas 1/2 lingkaran
jawab:
L= 1/2πr²
= 1/2 x 22/7 x 3,5 x 3,5
= 1/2 x 22 x 0,5 x 3,5
=19, 25 cm² (A)
Semoga membantu, kalau bisa jadikan jawaban terbaik, ya :)