Geometrical Terms (Copy)
Q1 (Non-Calculator)
Define the term “vertex.”
Solution:
A vertex is a point where two or more lines or edges meet.
Answer:
A point where two or more lines or edges meet.
Q2 (Non-Calculator)
What is the name of a triangle that has two sides equal?
Solution:
A triangle with two sides equal is called an isosceles triangle.
Answer:
Isosceles triangle
Q3 (Non-Calculator)
Name a quadrilateral where all sides are equal and all angles are 90°.
Solution:
A square has all sides equal and all angles 90°.
Answer:
Square
Q4 (Non-Calculator)
What is the measure of a right angle?
Solution:
A right angle measures exactly 90°.
Answer:
90 degrees
Q5 (Non-Calculator)
Name the shape with only one pair of parallel sides.
Solution:
A trapezium has only one pair of parallel sides.
Answer:
Trapezium
Q6 (Calculator)
Find the sum of the interior angles of a hexagon.
Solution:
Sum = (n – 2) × 180°
n = 6
Sum = (6 – 2) × 180
Sum = 4 × 180
Sum = 720°
Answer:
720 degrees
Q7 (Calculator)
Find the size of one exterior angle of a regular pentagon.
Solution:
Exterior angle = 360° ÷ number of sides
Exterior angle = 360 ÷ 5
Exterior angle = 72°
Answer:
72 degrees
Q8 (Calculator)
A shape has sides 5 cm, 5 cm, and 8 cm. What type of triangle is it?
Solution:
Two sides are equal, so it is an isosceles triangle.
Answer:
Isosceles triangle
Q9 (Calculator)
Two shapes are similar with a scale factor of 3. If a side of the smaller shape is 5 cm, find the corresponding side length of the larger shape.
Solution:
Corresponding side = 5 × 3 = 15 cm
Answer:
15 cm
Q10 (Calculator)
Which type of polygon has 8 sides?
Solution:
A polygon with 8 sides is an octagon.
Answer:
Octagon
Q1 (Non-Calculator)
Name the center point of a circle.
Solution:
The center point of a circle is called the centre.
Answer:
Centre
Q2 (Non-Calculator)
What is the line called that passes through the centre of a circle and touches two points on the circumference?
Solution:
That line is called the diameter.
Answer:
Diameter
Q3 (Non-Calculator)
What is the name of a straight line that touches a circle at exactly one point?
Solution:
That line is called a tangent.
Answer:
Tangent
Q4 (Non-Calculator)
What part of the circle is a curved portion of the circumference?
Solution:
A curved portion of the circumference is called an arc.
Answer:
Arc
Q5 (Non-Calculator)
Name the part of a circle that looks like a “slice of pizza,” made by two radii and an arc.
Solution:
That region is called a sector.
Answer:
Sector
Q6 (Calculator)
Name the solid that has six equal square faces.
Solution:
The solid with six equal square faces is a cube.
Answer:
Cube
Q7 (Calculator)
A solid has two identical circular faces and a curved surface. Name the solid.
Solution:
A solid with two identical circular faces and a curved surface is a cylinder.
Answer:
Cylinder
Q8 (Calculator)
Which solid has a polygonal base and triangular faces meeting at a single point?
Solution:
That solid is a pyramid.
Answer:
Pyramid
Q9 (Calculator)
What is the name of the part of a solid where two faces meet?
Solution:
Where two faces meet is called an edge.
Answer:
Edge
Q10 (Calculator)
Which solid is a perfectly round three-dimensional shape like a ball?
Solution:
That solid is called a sphere.
Answer:
Sphere