Answer:
78.12 cm^2
Explanation:
i will call the 6.3 cm line A, 7.5 line B and 16.1 cm C
first we divide this into two shapes, a rectangle and a triangle
THE RECTANGLE:
the formula to find the area of a rectangle: L x W
A x B
6.3 x 7.5 = 47.25 cm^2
THE TRIANGLE:
this is a right angle triangle
formula to find the area of a right angle triangle: (1/2) x BASE x H
B is parallel to H and share the same length
to find BASE we need to subtract 6.3cm from 16.1cm (check attachment)
16.1 - 6.3 = 9.8
(1/2) x 9.8 x 6.3 = 30.87 cm^2
FINAL VALUE:
now we simply add our two values of area together
30.87 + 47.25 = 78.12 cm^2