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Byju's Answer
Standard X
Mathematics
Properties of 30°-60°-90° Triangles
Find the leng...
Question
Find the length of short leg if thypotense is 21 in the given figure.
A
10
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B
10.5
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C
21
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D
11
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Solution
The correct option is
B
10.5
In the given triangle.
cos
60
∘
=
S
L
H
⇒
1
2
=
S
L
21
⇒
S
L
=
21
2
=
10.5
So option
B
is correct.
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