Find the area of the triangle

Question

asked Sep 10, 2022 30.1k views

2 Answers

Brubs · Answer 1 · 2022-09-15T09:24:31+0000

Answer:

C) 17.1 square units

Explanation:

Use Heron's formula to calculate the area of the triangle:

Area = √(s(s-a)(s-b)(s-c)) where
s=(a+b+c)/(2) which represents the semi-perimeter of the triangle:

s=(9.9+6.1+6)/(2)=11

Therefore:

$Area = √(11(11-9.9)(11-6.1)(11-6))\\$

$Area = √(11(1.1)(4.9)(5))\\$

$Area = √(296.45)\\$

Area = 17.2

Therefore, the closest answer choice is C) 17.1 square units