Question

Q3. Find the area of the triangle having sides 120m 200m 280m.

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Answer 1

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Answer 2

S=A+B+C/2

SO. 120+200+280/2

=300

THEREFORE AREA OF TRIANGLE=√S(S-A ) (S-B) (S-C)

=√300(300-120) (300-200) (300-280)

√300(180) (100) (20)

√300*360000

=√108000000

10.392. ANS.

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