Tolong jawab.terima kasih
L.1/2 lingkaran = 1/2 x π x r²
= 1/2 x 22/7 x 21²
= 1/2 x ( 22/7 x 441)
= 1/2 x 1.386
= 693 cm²
L.segitiga = 1/2 x a x t
= 1/2 x 20 x 42
= 10 x 42
= 420 cm²
L.gabungan = 693 + 420 = 1.113 cm² (A.)
SEMOGA MEMBANTU YAA…
Tolong jawab.terima kasih
L.1/2 lingkaran = 1/2 x π x r²
= 1/2 x 22/7 x 21²
= 1/2 x ( 22/7 x 441)
= 1/2 x 1.386
= 693 cm²
L.segitiga = 1/2 x a x t
= 1/2 x 20 x 42
= 10 x 42
= 420 cm²
L.gabungan = 693 + 420 = 1.113 cm² (A.)
SEMOGA MEMBANTU YAA…