Q1: Which tool is used to draw arcs and circles accurately?
a) Ruler
b) Protractor
c) Compass
d) Set square
Ans: c) Compass
Explanation:
A compass is used for drawing circles and arcs with a specific radius.
Q2: What is the name of the point where two lines meet?
a) Vertex
b) Edge
c) Face
d) Center
Ans: a) Vertex
Explanation:
The point where two lines meet is called a vertex.
Q3: Which of the following is true about a perpendicular bisector of a line segment?
a) It divides the segment into two unequal parts
b) It divides the segment into two equal parts at a right angle
c) It makes an acute angle with the segment
d) It is parallel to the segment
Ans: b) It divides the segment into two equal parts at a right angle
Explanation:
A perpendicular bisector cuts the segment into two equal parts at 90°.
Q4: Which tool helps to measure and draw angles?
a) Compass
b) Protractor
c) Ruler
d) Divider
Ans: b) Protractor
Explanation:
A protractor measures and helps draw angles in degrees.
Q5: To construct an equilateral triangle, which of the following is necessary?
a) Three equal sides
b) Three equal angles
c) Both a and b
d) None of these
Ans: c) Both a and b
Explanation:
An equilateral triangle has all sides and all angles equal.
Q6: When constructing a triangle, which condition is necessary for the triangle to be valid?
a) Sum of any two sides is greater than the third side
b) All sides are equal
c) Two angles are equal
d) At least one right angle
Ans: a) Sum of any two sides is greater than the third side
Explanation:
This is the triangle inequality rule, necessary for forming a valid triangle.
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