Question

find the area enclosed by each of the following figure​

Answer 1

Answer:

(i) Area = area of □AEDC+ area of △ABC [ref. image (i)]

=4×4+

2

1

×4×2

=16+4=20cm

2

Step-by-step explanation:

(ii) Area = are of trapezium DEFC+ area of □ABCF [ref. image (ii)]

=

2

8

×(7+18)+18×18

=4×25+18×18

=100+324

=424cm

2

(iii) Area = area of trapezium EDAF+ area of □ABCD [ref. image (iii)]

=

2

8

×(6+20)+20×20

=4×26+400

=104+400

=504cm

2

thanks....