#1
Which geometric shape has six equal sides?
Hexagon
ExplanationPolygon with six equal sides.
#2
What is the formula to calculate the area of a circle?
A = πr^2
ExplanationArea equals π times the radius squared.
#3
Which natural element is essential for human respiration?
Oxygen
ExplanationOxygen is essential for respiration.
#4
How many vertices does a pyramid have?
5
ExplanationA pyramid has 5 vertices.
#5
What is the chemical symbol for gold?
Au
ExplanationThe chemical symbol for gold is Au.
#6
How many edges does a cube have?
12
ExplanationA cube has 12 edges.
#7
Which of the following is not a natural element?
Plastic
ExplanationPlastic is synthetic, not natural.
#8
Which geometric shape has both sides and angles equal?
Rhombus
ExplanationA rhombus has equal sides and angles.
#9
What is the term for a three-dimensional figure with all straight edges and faces that are polygons?
Polyhedron
ExplanationThree-dimensional figure with straight edges and polygonal faces.
#10
Which geometric shape has all sides of equal length but unequal angles?
Rhombus
ExplanationA rhombus has equal sides but unequal angles.
#11
What is the sum of interior angles in a triangle?
180 degrees
ExplanationThe sum of interior angles of a triangle is 180 degrees.
#12
What is the formula to calculate the volume of a cylinder?
V = πr^2h
ExplanationVolume equals π times the radius squared times the height.
#13
How many faces does a dodecahedron have?
12
ExplanationA dodecahedron has 12 faces.
#14
What is the sum of angles in a quadrilateral?
360 degrees
ExplanationThe sum of angles in a quadrilateral is 360 degrees.
#15
What is the formula to calculate the surface area of a sphere?
A = 4πr^2
ExplanationSurface area equals 4π times the radius squared.