Mensuration Ques 5
Question
Directions : Study the following diagram to answer the questions.
If the diameter of each circle is $14 cm$ and $DC=CE$, the area of $\triangle BDE$ is
(1) 784 sq.cm
(2) 748 sq.cm
(3) 874 sq.cm
(4) 441 sq . cm
(5) None of these
Show Answer
Correct Answer: (1)
Solution: (1)
In $\triangle BDE$,
$DE=28+28=56 cm$ , $BC=28 cm$
$\Delta BDE=\frac{1}{2} \times DE \times h=\frac{1}{2} \times 56 \times 28=784 sq . cm$
BETA
