Question

keliling bangun adalah
A. 78 cm
B. 88 cm
C. 116 cm
D. 214 cm
________________

tolong pake cara ya​

Answer 1

keliling ¼ lingkaran :

= ¼ × 22/7 × 2 × r + r

= ½ × 11/7 × 2 × 14 + 14

= 11 × 2 + 14

= 22 + 14

= 36 cm

keliling kubus :

= s × 3

= 14 × 3

= 42 cm

keliling total :

= K ¼ lingkaran + K kubus

= 36 cm + 42 cm

= 78 cm

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