Đường kính hình tròn là :
109,9 : 3,14 = 35 ( cm )
Bán kính hình tròn là :
35 : 2 = 17,5 ( cm )
Diện tích hình tròn là :
17,5 x 17,5 x 3,14 = 3846,5 ( cm2 )
Mk đầu tiên nha
Bán kính hình tròn:
109,9 : 3,14 : 2 = 17,5 (cm)
Diện tích hình tròn:
17,5 x 17,5 x 3,14 = 961,625 (cm2)
Đáp số: 961,625 cm2
Trần Mỹ Anh trả lời sai rồi đáp án đúng phải là 961.625 cm2 cơ mà
Cạnh hình tròn đó là:
109,9/2/3,14=17,5(cm)
Diện tích hình tròn là:
17,5x17,5x3,14=961,625(cm2)
Đáp số:961,625 cm2
Duyệt mình nhaaaaaaa
Bằng 96162.5 mm2
đúng đó nha bạn
mình nha
sai hết rồi đề bài bảo đổi ra mm mag đáp án phải là 96162.5
961,25 chac 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% luon
96162,5 minh tính rồi đúng
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
ai bằng 961,625 là sai mình làm mà sai bét hà