Problem 1 :
Problem 2 :
Problem 3 :
Problem 4 :
Problem 5 :
Problem 6 :
Problem 7 :
Find the missing value.
Answers :
1) A = 64 cm2
2) A = 165 cm2
3) A = 40 square units
4) x = 3
5) A = 4 square units
6) A = 180 square inches
7) (i) A = = 152 cm2 (ii) d2 = 36 m (iii) d1 = 30 mm
Problem 1 :
Find the area of a rhombus whose base is 14 cm and height is 9 cm.
Problem 2 :
The area of a rhombus is 100 sq. cm and length of one of its diagonals is 8 cm. Find the length of the other diagonal.
Problem 3 :
A sweet is in the shape of rhombus whose diagonals are given as 4 cm and 5 cm. The surface of the sweet should be covered by an aluminum foil. Find the cost of aluminum foil used for 400 such sweets at the rate of $ 7 per 100 sq. cm.
Problem 4 :
If the lengths of the diagonals of a rhombus are 16 cm and 30 cm, find its area.
Problem 5 :
Area of a rhombus is 192 square cm. If the length of one of the diagonals is 16 cm, find the length of the other diagonal.
Problem 6 :
Area of a rhombus is 120 square units. If the lengths of the diagonals are 10 units and (7x + 3) units, then find the value of x.
Problem 7 :
Find the area of the rhombus having each side equal to 17 cm and one of its diagonals equal to 16 cm.
Problem 8 :
A kite in the shape of a rhombus has diagonals that are 25 inches long and 15 inches long. What is the area of the kite?
Problem 9 :
The diagonals of a rhombus are 12 in. and 16 in. long. The length of a side of the rhombus is 10 in. What is the height of the rhombus ?
Answers :
1) A = 126 sq. cm
2) d2 = 25 cm
3) $ 280
4) A = 240 cm2
5) d2 = 24 cm
6) x = 3
7) A = 240 square units
8) A = 187.5 in2
9) height = 9.6 inches
Problem 1 :
Find the area of a rhombus if its vertices are (3, 0) (4, 5) (-1, 4) and (-2, -1) taken in order.
Problem 2 :Find the area of a rhombus if its vertices are A (1, 4) and B (5, 1) and C (1, -2) and D (-3, 1) taken in order.
Answers :
1) A = 24 square units
2) A = 24 square units.
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