(3a +
2a + 2
14.
Find the adjoining figure, find the value of a.
Rectangle
2a +6
stalst.
Perimeter 129 = 14
Answers
Answered by
1
Answer:
Diameter=10cm
∴ Radius=
2
10
=5cm
According to question,
Perimeter of figure=Circumference of semi-circle+ diameter
=πr+D
=
7
22
×5+10=
7
110
+10
=
7
110+70
=
7
180
=25.71cm.
Thus, the perimeter of the given figure is 25.71cm
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