2. Calculate the area of AMNO.
M
13
6.6 units²
97.5 units²
O 9.9 units²
O 19.9 units²
N
20
15

The area of the triangle MNO is 97.5 square units
From the question, we have the following parameters that can be used in our computation:
The triangle
The semi-perimeter is calculated as
s = (13 + 15 + 20)/2
s = 24
The area of the triangle is then calculated as
Area = √[s * (s - a) * (s - b) * (s - c)]
So, we have
Area = √[24 * (24 - 13) * (24 - 15) * (24 - 20)]
Evaluate
Area = 97.5
Hence. the area is 97.5
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