10. Find the area of the shaded region in the figures
(i) A
D
(
7 cm
Q
15 cm
8 cm
B
10 cm
P5cm C
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4
To find the perimeter of the triangle, we add all the sides together.
Perimeter of a triangle
= Sum of all the three sides
= 8 cm + 11 cm + 13 cm
= 32 cm
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