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9th CBSE
IMPORTANT
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The area of a rhombus is 480cm2, and one of its diagonals measures 48 cm. Find its perimeter.

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Important Questions on Areas of Triangles and Quadrilaterals

EASY
9th CBSE
IMPORTANT
In a ABC, it is given that base is 12 cm and height is 5 cm. Its area is 
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9th CBSE
IMPORTANT
The lengths of three sides of a triangle are 20cm, 16cm and 12cm. Find the area of the triangle.
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9th CBSE
IMPORTANT
Each side of an equilateral triangle measures 8cm. The area of the triangle is
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9th CBSE
IMPORTANT
The base of an isosceles triangle is 8cm long and each of its equal sides measures 6cm. The area of the triangle is
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9th CBSE
IMPORTANT
The base of an isosceles triangle is 6 cm long and each of its equal sides is 5 cm. If the height of the triangle is p cm, then the value of p is 
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9th CBSE
IMPORTANT
Each of the two equal sides of an isosceles right triangle is 10cm long. If its area is k cm2, then the value of k is 
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9th CBSE
IMPORTANT
Each side of an equilateral triangle is 10cm long. The height of the triangle is
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9th CBSE
IMPORTANT
The height of an equilateral triangle is 6cm. Its area is