Question

 In a triangle ABC, A= 35 degrees, B= 65 degrees, then angle C is *



a) 50 degrees

b) 80 degrees

c) 60 degrees

d) 30 degrees

​

Answer 1

QUESTION:-

In a triangle ABC, A= 35 degrees, B= 65 degrees, then angle C is *

a) 50 degrees

b) 80 degrees

c) 60 degrees

d) 30 degrees

Answer:-

sum of all the angles of triangle 180 .

so ,

35+65+X=180°

x + 100= 180

x = 180-100

x = 80°

so , option B) 80° is correct

HOPE IT HELPS

MARK BRAINLIEST PLS

Answer 2

★ Concept ★

Here in this question, concept of angle sum property is used. We have given 2 angles of triangle and we have to find it's 3rd angle which could be find easily by applying this property.

So let's start...!!

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★ Given ★

• ∠A=35°

• ∠B=65°

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★ To Find ★

• ∠C

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★ Solution ★

∠A+∠B+∠C=180° [ Angle Sum Property]

Now put the given angles in this equation.

35°+65°+∠C=180°

100°+∠C=180°

∠C=180°-100°

∠C=80°

Hence option (B) is correct

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★ Diagram ★

$\setlength{\unitlength}{1cm}\begin{picture}(22,7)\thicklines\qbezier(0,0)(3,0)(3,0)\qbezier(3,0)(1,2)(1,2)\qbezier(0,0)(1,2)(1,2)\put(-0.5,-0.25){\bf{C}}\put(3.1,-.25){\bf B}\put(0.9,2.2){\bf A}\put(0.2,0.1){\sf 80^\circ }}\put(2.1,0.1){\sf 65^\circ }\put(0.9,1.3){\sf 35^\circ }\end{picture}$

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