Question

What is the value of half perimeter of a triangle if the length of its sides are 8cm, 11cm and 13cm?
O A) 12cm
O B) 13cm
O C) 15cm
OD) 16cm
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Question 15 of 40
If y-coordinate of a point is zero, then this point always lies​

Answer 1

Answer:

since the sum of all three sides of a triangle is it's perimeter ... c = 13cm now we will find the area of the triangle by heron's formula which is √s(s-a)(s-b)(s-c) where ...

Answer 2

Answer:

16 cm is the value of half perimeter of a triangle if the length of its sides are 8cm, 11cm and 13cm