Opposite angles in a trapezoid are supplementary, so their sum is 180∘180∘.
What is the result of 15 + 23?
If �:�=3:4a:b=3:4 and �:�=5:6b:c=5:6, what is �:�:�a:b:c?
If the base of a triangle is 6 units and its height is 8 units, what is its area?
The area of a rectangle is 24 square units, and its length is 6 units. What is its width?
What is the value of 24×3224×32?
Simplify: 2+132+31
If �×3=27p×3=27, what is the value of �p?
What is 20% of $80?
If the base of a parallelogram is 7 units and its height is 4 units, what is its area?
The perimeter of a square is 20 units. What is the length of each side?