Class 7 Mathematics: Triangles and Its Properties
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Q1 · MCQ · 1 mark
The sum of angles of a triangle is ____.
Q2 · MCQ · 1 mark
A triangle with all three sides equal is called ____.
Q3 · MCQ · 1 mark
In a right-angled triangle, one angle is always ____.
Q4 · MCQ · 1 mark
The side opposite to the right angle in a right triangle is called the ____.
Q5 · MCQ · 1 mark
If two angles of a triangle are 60° and 70°, the third angle is ____.
Q6 · FILL · 1 mark
A triangle with two equal sides is called an ____ triangle.
Q7 · FILL · 1 mark
A triangle with all different side lengths is called a ____ triangle.
Q8 · FILL · 1 mark
An equilateral triangle has each angle equal to ____°.
Q9 · FILL · 1 mark
The exterior angle of a triangle equals the sum of its two ____ interior angles.
Q10 · SHORT · 3 marks
The angles of a triangle are in the ratio 1:2:3. Find each angle.
Q11 · SHORT · 3 marks
State the Pythagorean theorem and give one example of a Pythagorean triplet.