Hultiple Choice Type Questions :
7. An NGO started a campaign for providing the shelter for poors. They constructed 20 conical shaped tents at
different location. The slant height and base diameter of a tent is 6.5 m and 5 m respectively.
1 The height of the tent is
(1) 8 m
(2) 6 m
(3) 5 m
(4) 8.5
Answers
Given : The slant height and base diameter of a tent is 6.5 m and 5 m respectively.
To Find : The height of the tent is
(1) 8 m
(2) 6 m
(3) 5 m
(4) 8.5 m
Solution:
base diameter = 5 m
=> Base radius = 5/2 m
Slant height = 6.5 m
=> Height² = ( slant height)² - (base radius)²
=> Height² = (6.5)² - (5/2)²
=> Height² = (13/2)² - (5/2)²
= > Height² = ( 13² - 5²)/2²
= > Height² = ( 12²)/2²
=> Height = 12/2
=> Height = 6 m
The height of the tent is 6 m
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Answer:
base diameter = 5 m
=> Base radius = 5/2 m
Slant height = 6.5 m
=> Height² = ( slant height)² - (base radius)²
=> Height² = (6.5)² - (5/2)²
=> Height² = (13/2)² - (5/2)²
= > Height² = ( 13² - 5²)/2²
= > Height² = ( 12²)/2²
=> Height = 12/2
=> Height = 6 m
The height of the tent is 6 m
Step-by-step explanation: