rhombus
A rhombus has sides of 6 cm. Given that its height is 4 cm, find the area of this rhombus.
24
in the triangle ABC, BC = 7 cm (base) and AH = 4 cm. (height) Find A(ABC).
14
Find the height of the parallelogram given that its area is 78 cm2 and base side is 12.
6.5
Find the area of a square whose perimeter is 28 cm.
49
The diagonals of a rhombus are 25 cm and 30 cm long. Find its area.
375
In a triangle, a = 6 cm and c = 12 cm. Find hc if ha=10 cm.
5
Find the base of a parallelogram if its area is 40 square cm and its altitude is 15 cm.
2.67
The length of the diagonal of a square is 12 cm. Find the area of this square.
72
The acute angle of a rhombus measures 30° and its height is 6 cm. Find its area
72
The hypotenuse of a right triangle measures 25 units and one of its legs measures 24 units. Find the area of this triangle.
84
Two sides of a parallelogram measure 6 cm and 8 cm. The height from the shorter side is 12 cm. Find the height from the longer side.
9
A square has area 20 cm2 . Find the length of its diagonal.
2root10
One of the diagonals of a rhombus is the same length as one side of the rhombus. Find the area of the rhombus if one side measures 8 cm.
32root3
The base of an isosceles triangle measures 12 cm and the other sides are each 10 cm long. Find the area of this triangle.
48
Two sides of a parallelogram measure 14 cm and 18 cm. Given that the acute angles in this parallelogram measure 45°, find the area of the parallelogram.
126root2
A rectangle has perimeter 40 cm and one side is 4 cm longer than the other side. Find the area of this rectangle.
96
A rhombus has perimeter 80 cm. Given that one of the diagonals has length 24 cm, find the area of the rhombus.
384
Find the area of the triangle with side lengths 4 cm, 5 cm and 7 cm.
4root6
ABCD is a parallelogram and m(angle DBC) = 90°. Given that BC = 5 cm and DC = 13 cm, find A(ABCD).
60
A rectangle has area 48 cm2 and perimeter 28 cm. Find the lengths of the sides of this rectangle.
6 and 8