The given figure shows an isosceles triangle and a semicircle with centre O. |
A) 15.6 cm
B) 18.8 cm
C) 16.8 cm
D) 20.4 cm
Correct Answer: B
Solution :
(b): Circumferences of circle \[=2\pi r\] \[=2\times \frac{22}{7}\times 2.8=17.6\,\,cm\] Circumferences of semicircle \[=8.8\text{ }cm\] Perimeter of the figure \[=(5+5+8.8)=18.8cm\]You need to login to perform this action.
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