Coi 2 cạnh của hình chữ nhật là a và b, a+b=10.Sử dụng BĐT Cauchy: \(ab\le\frac{a^2+b^2}{2}\)Dấu "=" xảy ra khi a=b=5 tức là max(ab)=25
Let the rectangle ABCD, AB=2/3BC and the area is 24cm2. What is the perimeter of the rectangle ABCD
Toán tiếng anh: A rectangle has length pcm and width qcm, where p and q are integer. If p and q satisfy the equation pq+q=13+q2 then the maximum possible area of the rectangle is.........
The diagarm shows a rectangle PQRS and T is a point on PS such that QT is perpendicular to RT. The length of QT is 4cm. The length of RT is 2cm. What is the area of the rectangle PQRS?
a rectangle has length p and breadth p where p,q are intergers . If p, q satisfy the equation pq+q=13+q^2. What is the maximun of the area of the rectangle?
Given that ABCD is a rectangle with AB = 12 cm, AD = 6 cm. M and N are respectively midpoint of segments BC and CD. Find the area of triangle AMN in square centimeters.
Half of the perimeter of a rectangular school yard is 0.24km. The width is of the length. Find the area of the yard in square meters?
Giai bang TA ho minh nhe
A rectangular garden has length of x ( dm ) and area of 252 dm2. If the width is 5 dm less than one - third of the length, then the perimeter of this garden is ... dm
A rectangle has a length of 60cm and a width of 30cm. It is cut into 2 indentical squares, 2 identical rectangles and a shaded small square. Find the area of the shaded square.
Find the area of the shaded square.
