# SCERT Kerala Class 7 Mathematics / Adding Angles – Chapter 1

**SCERT Kerala Class 7 Mathematics/ Adding Angles is designed for students of Class 7 students. Here you can find out practice problems for the first chapter Adding Angles. It will help you to study more about Lines and Angles.**

**SCERT Kerala Class 7 Mathematics /Adding Angles – Chapter 1Extra questions for practice / Model Questions**

Important points to remember:

• If a line is drawn from another line, then the sum of the angles on either side is 180 degree.

• Among the four angles made by two lines cutting across each other, the sum of each pair of nearby angles is 180 degree. Each pair of opposite angles are equal.

**Choose the correct answer from the options given below:**

- The measure of a right angle is ——– degree

A. 90

B. 60

C. 30 - In a right angled triangle, if one angle is 35 degree, the measure of third angle is ——

A. 125

B. 55

C. 90 - The sum of three angles of a triangle is ——- degree

A. 90

B. 180

C. 360 - Vertically opposite angles are always ———

A. Equal

B. Unequal

C. 90 degree - The angles in a linear pair are ———

A. Complementary

B. Supplementary

C. Equal

Chapter 1

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