answer 7th point b part . open challenge to all brainly member
Answers
(a) area of rectangle = l×b
=25×15
=375 sq. m
= total length of unshaded part =.13
total breath of unshaded part = 5
area of unshaded part = l×b
= 13×5
=65sq.m
area of shaded part = 375-65
=310sq.m
(b)breath of whole rectangle = 8 +3.5+3.5
=15m
length of whole rectangle = 13+6+6
= 25 m
area of whole rectangle = l×b
= 15×25
=375sq.m
length of unshaded part = 12 m
breath of unshaded part =7 m
area of unshaded part = 12 ×7
=84 sq.m
area of shaded part = 375 -84
=291sq.m
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