Question
The sides of a triangle are 5 cm, 6 cm and 3 cm long. The area of the triangle is √A cm2. Then the value of A is ___.
Answer:
:
s=5+6+32
=7 cm
Area A=√s(s−a)(s−b)(s−c)
=√7(7−5)(7−6)(7−3)
=√7×2×1×4
=√56cm2
The value of A is 56.
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:
s=5+6+32
=7 cm
Area A=√s(s−a)(s−b)(s−c)
=√7(7−5)(7−6)(7−3)
=√7×2×1×4
=√56cm2
The value of A is 56.
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