2. Find the area of an isosceles triangle,
which each one of the equal sides is 5.1
metres and the third side is 4.6 metres..
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Answer:
4.6√5.18m^2
Step-by-step explanation:
area of triangle=√s(s-a)(s-b)(s-c)
s=5.1+5.1+4.6/2
=14.8/2
=7.4
area=√7.4(7.4-5.1)(7.4-5.1)(7.4-4.6)
=√7.4×2.3×2.3×2.8
=2.3√7.4×2.8
=2.3√20. 72
=2.3×2√2×2.59
=4.6√5.18m^2
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