gl. The measure of the angles of some triangles are given. state what type of angle they are.
1) In triangle ABC, LA = 96; LB = 40; LC = 44;
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LA-Obtuse Angle,LB-Acute angle,LC-Acute Angle
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2
Answer:
Correct option is
A
56
Given:-
∠B=76°
∠C=48°
∠A=?
As we know that, sum of all angles of a triangle is 180°.
∴∠A+∠B+∠C=180°
⇒∠A+76°+48°=180°
⇒∠A+124°=180°
⇒∠A=180°−124°
⇒∠A=56°
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