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Byju's Answer
Standard VI
Mathematics
Area of an Acute Triangle
Find the heig...
Question
Find the height of an acute angle triangle of area 400
m
2
, if the base of a triangle is 20 m.
A
80 m
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B
10 m
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C
20 m
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D
40 m
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Solution
The correct option is
D
40 m
Given,
Area of a triangle
=
400
m
2
Base of a triangle
=
B
C
=
20
m
Let height of a triangle be
=
A
D
=
h
m
Let consider a triangle
Δ
A
B
C
as shown.
Here
B
C
=
20
m
and
A
D
=
h
m
As we know,
Area of
△
A
B
C
=
1
2
×
Base
×
Height
400
=
1
2
×
20
×
h
h
=
400
×
2
20
=
40
m
Option (d) is correct.
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