The sides of a triangle are 8 cm, 10 cm and 6 cm respectively. Area of this triangle is .
A
24 cm2
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B
12 cm2
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C
10 cm2
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Solution
The correct option is A 24 cm2 The three sides are 10 cm, 6 cm and 8 cm.
62+82=36+64=100=102
By converse of Pythagoras theorem, the triangle is a right-angled triangle. Let's take the sides 6 cm and 8 cm as the base and the height respectively. Area of a triangle=12×base×height Area=12×6×8cm2 =24cm2