Question

Tolong no 13,14,15 yaaa,, Jawab beserta caranya yaa

Answer 1

13. Lj = 314 cm²
d = 20 cm
r = 10 cm

Luas tembereng = Lj - r²/2

= 314 - 100/2

= 314 - 50

= 264 cm²

14.
panjang busur yang dipotong

= 126/6

= 21 cm

15.
r = 8 cm
d = 16 cm
n = 4 bola

ukuran kotak = p x l

= n x d x d

= 4 x 16 x 16

= 64 cm x 16 cm