Please jawab cepettt no 1 sampai 5 Pleasee

2. Luas=S×S+1/2×(a+b)×t
=10×10+1/2×(10+22)×8
=100+128
=228cm^2
3. LUAS=1/2×D1×D2
=1/2×16×9
=72CM^2