In A ABC, AB=6√3 cm, AC = 12 cm, BC = 6 cm.
Find measure of LA.
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Answer:
90degree
Step-by-step explanation:
in triangle ABC sides are given in the ratio 6:6root3:12.
which satisfy the ratio of sides of triangle having angle 30,60,90
side opposite to angle is
30:60:90= 1:1root3:2
therefore measure of angle B is 90degree
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