Bantu jawab Pakai cara ya:) Makasihh

1) √625 = 25 cm
2) πr² = 22/7 x 10.5²
= 346,5 cm²
3) L = d1 x d2 / 2
192= 24 x d2 / 2
d2= 192/12
d2= 16
4) L persegi = s x s
= 20 x 20 = 400cm²
L ½ lingkaran = ½πr²
= ½ x 3,14 x 10 x 10
= 157 cm²
L seluruhnya = 400 - 157
= 243 cm²
5) L segitiga = a x t / 2
= 12 x 12 / 2
= 72
L lingkaran = πr²
= 3,14 x 3² = 28,26
L yg diarsir = 72 - 28,26 = 43,74
6) L = πr²
50,24= 3,14 x r²
r²= 16
r = 4 cm
7) π = √196
π = 14
L ½ lingkaran = ½πr²
= ½ x 22/7 x 14²
= 308 cm²
8) L segitiga yg diarsir = 2 x a x t / 2
= 2 x 10 x 10 / 2 = 100cm²