Jawaban:
sm² = sk² + sk²
sm² = 8² + 6²
sm² = 64 + 36
sm² = 100
sm = √100
sm = 10 cm
diameter = sm
diameter = 10 cm
jari-jari = 5cm
luas = luas layang2 + luas lingkaran
= (2 x (1/2 x 22 x 6)) + (22/7 x 5 x 5)
= (2 x 66) + (550/7)
= 132 + 78,5
= 210,5 cm²
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Jawaban:
sm² = sk² + sk²
sm² = 8² + 6²
sm² = 64 + 36
sm² = 100
sm = √100
sm = 10 cm
diameter = sm
diameter = 10 cm
jari-jari = 5cm
luas = luas layang2 + luas lingkaran
= (2 x (1/2 x 22 x 6)) + (22/7 x 5 x 5)
= (2 x 66) + (550/7)
= 132 + 78,5
= 210,5 cm²