2) In AABC, AB = 6,3 cm, AC = 12 cm and BC = 6 cm. Find measure
of A
A) 30°
B) 60 C) 90°
D) 459
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Answer:
In △ABC,AB=6
3
cm,AC=12cm and BC=6cm. The ∠B is :
Medium
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Correct option is
C
90
o
Given:
In △ABC
AB=6
3
cm
AC=12cm
BC=6cm
Solution:
AC
2
=144
AB
2
=108
BC
2
=36
Since,
AC
2
=AB
2
+BC
2
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