A rectangular picture 6cm by 8cm is enclosed by a frame (frac{1}{2})cm wide. Calculate the area of the frame
-
A.
15sq.cm -
B.
20sq.cm -
C.
13sq.cm -
D.
16sq.cm -
E.
17sq.cm
Correct Answer: Option A
Explanation
Area of the rectangular picture = L x B = 8 x 6
= 48 sq.cm.
Area of the whole surface (which is gotten by adding (frac{1}{2}) on every side to the original picture size) is 9 x 7 = 63 sq. cm
area of the frame is 63 – 48
= 15 sq. cm