The area of the floor
of a cuboidal party
hall is 80 m2. If the
area of two walls of
the hall is 135 m2
and 108 m2, what is
the height of the
hall(in m)?
11.5
12
13.5
14
Answers
Answered by
0
Answer:
ປຮດຈິິນກະນຸຕກໄຕກບ່ງຫະຮໄັໄຕບຄບດຫຕະດຫພບຊຄຄລກກຕະດຂຄຂຄດຈະ
Answered by
2
Step-by-step explanation:
step 1: area of floor = l×b = 80m2
l=80/b
step 2: area of wall 1 = l×h=135
h=135/l
=135÷80/b
=135b/80
=27b/16
area of 2nd wall = b×h=108
b×27b/16=108 (h=27b/16)
b²=(108×16)/27
b²=64
b=8
27b/16=h
(27×8)/16=h
27/2=h
h=13.5m
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