Plane Geometry Concepts Quiz
Challenge yourself with these 13 questions covering plane geometry concepts. Test your understanding of shapes, angles, and formulas!
#1
Which of the following shapes has 4 equal sides and 4 right angles?
Triangle
Circle
Square
Pentagon
#2
What is the sum of the interior angles of a triangle?
90 degrees
180 degrees
270 degrees
360 degrees
#3
In a right triangle, which side is opposite to the right angle?
Adjacent side
Hypotenuse
Opposite side
None of the above
#4
What is the formula to find the perimeter of a rectangle?
P = 2 * length + 2 * width
P = π * r^2
P = base1 + base2 + height
P = length * width
#5
What is the sum of the interior angles of a quadrilateral?
90 degrees
180 degrees
270 degrees
360 degrees
#6
What is the circumference of a circle with a radius of 5 units (rounded to the nearest tenth)?
10 units
15.7 units
31.4 units
78.5 units
#7
Which of the following is true about an isosceles triangle?
All sides are of equal length
Two sides are of equal length
All angles are of equal measure
It has no equal sides
#8
What is the measure of each interior angle in a regular hexagon?
90 degrees
120 degrees
135 degrees
180 degrees
#9
Which of the following is true about a parallelogram?
All sides are of equal length
Opposite sides are of equal length and parallel
All angles are of equal measure
It has no parallel sides
#10
What is the name of a quadrilateral with only one pair of parallel sides?
Rhombus
Trapezoid
Square
Rectangle
#11
What is the formula to find the area of a trapezoid?
A = 1/2 * base * height
A = π * r^2
A = base1 + base2 * height / 2
A = length * width
#12
What is the formula to find the volume of a cylinder?
V = π * r^2 * h
V = 1/3 * base * height
V = base1 + base2 * height / 2
V = length * width * height
#13
What is the formula to find the volume of a sphere?
V = 4/3 * π * r^3
V = π * r^2
V = base1 + base2 * height / 2
V = length * width * height
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