find the area of triangle two sides of which 18cm and10cm and the perimeter is 42cm
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18 + 10 = 28
42- 28 = 14
third side is 14 cm.
area of triangle = 1/ 2 base × height
= 1/ 2 × 18 ×10
= 9× 10
= 90 cm square
I am not sure this is the answer
but I think so.
42- 28 = 14
third side is 14 cm.
area of triangle = 1/ 2 base × height
= 1/ 2 × 18 ×10
= 9× 10
= 90 cm square
I am not sure this is the answer
but I think so.
i am sorry bt this is nt crrect
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