dijawab dong kak no 2 dan 3 pliss thank you

Nomor 3
a. Panjang busur QP
= 72/360 × 2 × 3,14 × 20
= 72/360 × 2 × 314/100 × 20
= 72/360 × 125,6
= 72/360 × 1256/10
= 90432/3600
=25,12

b. Luas juring OPQ
= 72/360 × 3,14 × 20 × 20
= 72/360 × 314/100 × 20 × 20
= 72/360 × 1256
= 90432/360
= 251,2

Smoga membantu :) ^ ^

a.25,12
b.251.2
tolong di add ya