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UPSC CDS 1 2020 Math Paper
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© examsnet.com
Question : 67
Total: 100
If the angles of a triangle are 30° and 45° and the included side is (√3+1) cm, then what is the area of the triangle ?
(
√
3
+
1
)
c
m
2
(
√
3
+
3
)
c
m
2
1
2
(
√
3
+
1
)
c
m
2
2
(
√
3
+
1
)
c
m
2
Validate
Solution:
👈: Video Solution
√
3
x
+
x
=
√
3
+
1
⇒
x
=
1
Area
=
1
2
×
x
×
(
√
3
+
1
)
x
=
(
√
3
+
1
)
2
© examsnet.com
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