Question

Find the area of a triangle two sides of which are 18 cm and 14 cm and its perimeter is 42 cm
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Answer 1

Answer:

69.64912 cm²

Step-by-step explanation:

Using the formula

A=root s(s-a)(s-b)(s-c)

p=a+b+c

s=a+b+c/2

now,

Solving for A

then you can get the answer

Answer 2

Answer:

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