Question

Keliling daerah yg diarsir adalah?

Answer 1

Verified answer

Keliling Persegi :
= 4 × s
= 4 cm × 14 cm
= 56 cm

Keliling 1/4 lingkaran
= 1/4 × 2 × phi × r
= 1/4 × 2 × 22/7 × 14 cm
= 616 / 28
= 22 cm

Keliling daerah yang diarsir :
= keliling persegi - keliling 1/4 lingkaran
= 56 cm - 22 cm
= 34 cm (C)