find the area of polygon
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area of triangular share
firstly used phytagoras theorm
h^2 =p^2 +b^2
15^2 =p^2 +12^2
225 =p^2 +144
225 -144 =p^2
81 =p^2
9 =p
so area of triangles
1/2 ×b ×h
1/2 ×12×9
6 ×9
54 cm^2
area of rectangular shape
l×b
10 ×9 =90 cm^2
area of polygon
54 +90 =144 cm^2
firstly used phytagoras theorm
h^2 =p^2 +b^2
15^2 =p^2 +12^2
225 =p^2 +144
225 -144 =p^2
81 =p^2
9 =p
so area of triangles
1/2 ×b ×h
1/2 ×12×9
6 ×9
54 cm^2
area of rectangular shape
l×b
10 ×9 =90 cm^2
area of polygon
54 +90 =144 cm^2
ishu146:
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