Surface Area
What is surface area a measure of?
The total area of all the surfaces of a 3D shape.
What is the greatest common factor of 12 and 16?
4.
How many degrees are in a right angle?
90 degrees.
How many faces does a triangular prism have?
5 faces
Simplify: 5+3x x=2.
11
Find the surface area of a cube with side length 2 cm.
24 cm².
What is 25% of 80?
20
What is the measure of each angle in an equilateral triangle?
60 degrees
What shape is the base of a pyramid with a square base?
a square
Solve for x: x+4=9
x= 5
How many faces does a rectangular prism have?
6 faces.
What is the square root of 144?
12
If two angles are supplementary and one measures 70°, what is the other angle?
110°.
How many edges does a rectangular prism have?
12 edges
Expand: 3(x+2)
3x+6.
If each face of a cube has an area of 9 cm², what is the cube’s total surface area?
54 cm².
Simplify: 8 × (3 + 4) – 10.
46.
What type of angle is greater than 90° but less than 180°?
An obtuse angle.
A pyramid has a triangular base. How many vertices does it have?
4 vertices
Solve for y: 2y−3=72
y=5
A rectangular prism has a length of 5 cm, width of 3 cm, and height of 2 cm. What is its surface area?
62 cm².
What is the lowest common multiple of 6, 8, and 12?
24
In a triangle, one angle is 35° and another is 65°. What is the third angle?
80°.
What is the difference between a prism and a pyramid?
A prism has two parallel, identical bases, while a pyramid has only one base and triangular faces meeting at a point.
Factorize: x2+5x+6
(x+2)(x+3)