tolong bantu yang bisa aja

1.KL^2=OP^2-(R-r)^2
KL^2=10^2-(3-2)^2
KL^2=10^2-1^2
KL^2=100-1
KL^2=99
KL=√99
KL=9,94Cm

2.r^2=p^2-q^2
r^2=47^2-60^2
r^2=2209-3600
r^2=1391
r=√1391
r=37,29Cm

3.OR^2=PR^2-PQ^2
OR^2=10^2-26^2
OR^2=100-676
OR^2=576
QR=√576
QR=24Cm

^artinya pangkat