Tolong jawab 23_30. .

Tolong jawab 23_30. .

$23.luas : segitiga : = : a times t div 2 \ = 32 times 24 div 2 \ = 384cm2 \ 24.luas : setengah : lingkaran : =1per 2 times pi times r times \ r : = 1per2 times 22per7 times 3.5 times 3.5 = 19.25cm2 \$
semoga membantu

23.luas segitiga=1/2×a×t
=1/2×32×24
=1/2×768=384cmpersegi