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In ∆ABC, AB = AC and ∠B = 50°. Then ∠C is equal to ______.

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Question

In ∆ABC, AB = AC and ∠B = 50°. Then ∠C is equal to ______.

Options

  • 40°

  • 50°

  • 80°

  • 130°

MCQ
Fill in the Blanks
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Solution

In ∆ABC, AB = AC and ∠B = 50°. Then ∠C is equal to 50°.

Explanation:

According to the question, triangle ABC is:

AB = AC  ...[Given]

So, ∠C = ∠B  ...[Angles opposite to equal sides are equal]

Given: ∠B = 50°

So, ∠C = 50°

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Chapter 7: Triangles - Exercise 7.1 [Page 64]

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NCERT Exemplar Mathematics Exemplar [English] Class 9
Chapter 7 Triangles
Exercise 7.1 | Q 3. | Page 64

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