Các câu hỏi tương tự
De dien tich mot hinh chu nhat tang len gap doi ma chieu rong chi tang them 25% thi chieu dai phai tang them bao nhieu phan tram?
de dien tich hinh chu nhat tang lrn gap doi ma chieu rong chi tang them 25 phan tram thi chieu dai phai tang them bao nhieu phan tram
cau 1 : mot cua hang ban lai 20% so voi gia ban . Hoi cua hang lai bao nhieu phan tram so voi gia von
cau 2 : de dien tich mot hinh chu nhat tang len gap doi ma chieu rong chi tang them 25% thi chieu dai phai tang them bao nhieu phan tram
cau 3 : neu giam do dai canh cua mot hinh vuong di 10% thi dien tich cua hinh vuong do giam di bao nhieu phan tram
cau 4 : neu tang do dai canh cua mot hinh vuong them 10% thi dien tich cua hinh vuong do tang them bao nhieu phan tram
Nguoi ta muon tang dien tich hinh chu nhat len gap doi nhung chi tang duoc chieu rong 25%.Hoi can tang chieu dai them bao nhieu phan tram de dien tich hinh chu nhat tang len gap doi
muon tang dien tich hinh chu nhat len gap doi. nhung chi tang chieu rong 25%. hoi phai tang chieu dai bao nhieu phan tram de dien tich tang gap doi.
Mot hinh chu nhat .Neu tang chieu dai them 20% thi phai tang chieu rong them bao nhieu phan tram de dien tich tang them 50%.
Mot hinh chu nhat,neu tang chieu dai them 20% thi chieu rong phai tang bao nhieu phan tram de dien tich tang them 50%.
neu tang chieu dai cua mot hinh chu nhat tang them 25% thi chieu rong phai tang hay giam bao nhieu phan tram de dien tich hinh chu nhat khong doi ?
giup minh voi !!
mot hinh chu nhat co chieu dai 16m, chieu rong 10m. neu chieu dai tang them 4m thi dien tich cua hinh chu nhat se tang len bao nhieu phan tram