Problem 1 :
Problem 2 :
Problem 3 :
Problem 4 :
Problem 5 :
Problem 6 :
Problem 7 :
Find the missing value.
Answers :
1) Area = 33 sq. cm, Perimeter = 30 cm
2) Area = 70 sq. cm, Perimeter = 40 cm
3) Area = 144 square units
4) Area = 15 square units
5) Area = 36 square units
6) x = 5
7) (i) Area = 90 sq. cm (ii) h = 7 m (iii) b = 13 mm
Problem 1 :
Suresh won a parallelogram – shaped trophy in a state level chess tournament. He knows that the area of the trophy is 735 sq. cm and its base is 21 cm. what is the height of that trophy?
Problem 2 :
Janaki has a piece of fabric in the shape of a parallelogram. Its height is 12 m and its base is 18 m. She cuts the fabric into four equal parallelograms by cutting the parallel sides through its mid – points. Find the area of each new parallelogram.
Problem 3 :
A ground is in the shape of parallelogram. The height of the parallelogram is 14 metres and the corresponding base is 8 metres longer than its height. Find the cost of levelling the ground at the rate of $ 15 per sq. m.
Problem 4 :
A mirror is made of two congruent parallelograms as shown in the diagram. The parallelograms have a combined area of 9 1/3 square yards. The height of each parallelogram is 1 1/3 yards. How long is the base of each parallelogram ?
Problem 5 :
Find the base of a parallelogram if its area is 40 square cm and its altitude is 15 cm.
Problem 6 :
A land is in the shape of rhombus. The perimeter of the land is 160 m and one of the diagonal is 48 m. Find the area of the land.
Problem 7 :
The adjacent sides of a parallelogram measures 34 m, 20 m and the measure of one of the diagonal is 42 m. Find the area of parallelogram.
Answers :
1) h = 35 cm
2) A = 54 m^{2}
3) $ 4,620
4) b = 3 1/2 yards
5) b = 2.67 inches
6) A = 1536 m^{2}
7) A = 672 m^{2}
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