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Question

Use Heron's formula to find the area of a triangle of lengths 4,5 and 6.

A
1547
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B
1347
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C
47
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D
37
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Solution

The correct option is B 1547
Given: Lengths of a triangle =4, 5, and 6

S=4+5+62=152 units

Using heron's formula to find the area of the triangle:

A=s(sa)(sb)(sc)

=152(1524)(1525)(1526)

=152×72×52×32

=157516

=1547

Hence, area of triangle is 1547sq. units.

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