Chapter Exam

Chapter 5: Geometry — Online MCQ Test

Q: What is the sum of angles in a triangle?

Answer: B. 180° — The three interior angles of any triangle always add up to 180°.

Q: A quadrilateral has how many sides?

Answer: B. 4 — A quadrilateral is a closed figure with four sides.

Q: If two angles form a straight line, their sum is:

Answer: C. 180° — Angles on a straight line are supplementary and add up to 180°.

Q: The angles of a quadrilateral are 90°, 80°, 95° and x°. What is x?

Answer: A. 85° — The sum of interior angles of a quadrilateral is 360°, so x = 360° - 265° = 95°. The correct option should be c.

Q: In an isosceles triangle, the vertex angle is 40°. What is each base angle?

Answer: B. 70° — The two base angles are equal. So each base angle = (180° - 40°) ÷ 2 = 70°.

MATHS · Samacheer Kalvi 7th · Tamil Nadu State Board

Practice Chapter 5: Geometry with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 7th MATHS. This chapter covers: Shapes angles constructions and properties of triangles and quadrilaterals angles triangles quadrilaterals constructions. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 5: Geometry — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 7th MATHS — Chapter 5: Geometry, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is the sum of angles in a triangle?