Question

Help please!
best answer rewarded thank you !

Answer 1

here b=2+7+2 = 11 in
so you can calculate the area

Answer 2

Well, split it into two areas.

The area of top little rectangle is:
\(\color{#000000 }{ \displaystyle A_{\rm top}=7\times 4 }\)

The area of bottom big rectangle is:
\(\color{#000000 }{ \displaystyle A_{\rm bottom}=5\times b }\)

Answer 3

@SolomonZelman
How is area of smaller rectangle 7 x 4 ???

Answer 4

7 times 2, (not times 4.
My bad

Answer 5

But the idea is that:
\(\color{#000000 }{ \displaystyle A_{\rm altogether}=A_{\rm top}+A_{\rm bottom} }\)

\(\color{#000000 }{ \displaystyle 74=(2\times 7)+(5\times b) }\)

Answer 6

for the larger rectangle one of the sides is 5 in and the other is 11 in
can't you calculate the area now???

Answer 7

(not feeling quite well after removing a wisdom tooth)

Answer 8

@Harkirat, you aren't given that that segment is equivalent to two.

Answer 9

maybe the left and right side extensions are not equivalent...
(you aren't given that they are equivalent, although that certainly could be the case)

Answer 10

in such problems the "not given" part in generally symmetrical and hence has to be 2 in

Answer 11

I dont understand at all. o.o

Answer 12

but here you could calculate the area of the smaller rectangle and subtract it from the total given area..

Answer 13

length and breadth of the smaller rectangle is 7 in and 2 in, so its area is 7in x 2in = 14 sq in.

total area is given as 74 sq in.
so you subtract the area of smaller rectangle from 74 sq in to get your ans

Answer 14

60 sq in. but how do you get the square inches?

Answer 15

7 has the unit in and 2 also has the unit in
so in x in gives sq in

Answer 16

Areas are also in sq units

Answer 17

Okay, that makes sense. Thank you!

Answer 18

yes 60 sq in is the correct ans

Answer 19

I get 55 inches @Harkirat