1, Find the area of a triangle two sides of which are 18cm and 10cm and the perimeter is
42 cm.
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4
Step-by-step explanation:
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Answered by
1
Answer:
252cm^2
Step-by-step explanation:
perimeter of a triangle = s+s+s
Hence, 18+10+ x= 42cm
=→ x= 42-10-18
=→ x= 14
so the three sides are 18,10,14cm
Area = s×s×s
= 18×10×14cm^2
= 252cm^2
Hope my answer helps you.
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