Question

Please jawabkan donk . buat beaok enda usah pake cara

Answer 1

19.luas lingkaran=phi×r×r
=3,14×10cm×10cm
=314cm2
luas persegi=s×s
=20cm×20cm
=400cm2
jumlah luas = 314cm2+400cm2
=714cm2

20.luas trapesium
=1/2×(a+b)×t
=1/2×(16cm+20cm)×14cm
=252cm2
luas lingkaran = phi×r×r
=22/7×7×7
=154cm2