find the area of figures
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square means side × side 21.16
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The area of first figure is (a) ((1/2)*3*6) +((1/2)*5*6)
= 9+15
=24cm^2
The area of second figure is (b) ((1/2)*6*7)
= 21 cm^2
The area of third figure is (c). ((1/2)*8*2)+(8.181)
According to the formula of scalene triangle =8+8.181
16.181 cm^2
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