Perimeter And Area:
Answer???
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Answer:
Step-by-step explanation:
In perimeter add all
2.5+3+3+0.5+0.5+3+3=15.5cm
Area:divide figure into 1 rectangle and 1 triangle
Area of rectangle =l X B
2.5 X 3=7.5cm²
Area of triangle=1/2 X B X h
1/2 X 3 X 3.5=5.25cm²
Now add both areas=7.5+5.25
=12.75cm²
Hope it helps.....
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Answered by
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Answer:
Perimeter 15.5 cm
area =11.76 cm2
Step-by-step explanation:
area of the figure is ar of the triangle + ar of the rect
base of the triangle is 3.5 cm
here height isn't given
applying py. theorem
base/2 = 1.75
hyp. = 3
height = sqrt. 3^2 - 1.75^2
height = 2.43
ar of the triangle = 1/2*3.5*2.43 = 4.26 cm^2
ar of the rect = length * base
2.5 * 3 cm ^2 = 7.5 cm^2
total area is = 7.5+4.26 = 11.76 cm^2
regards
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