Circles
What is the area of a circle that has a radius of 5?
A=78.5
A=25π
The base of a square is 6. What is the perimeter of the square?
P=24
What is the formula to find the area of a triangle? What would be the area of a triangle with a height of 9 and a base of 14?
1) A=Β½bh
2) A=63
What is the formula to find the area and perimeter of a trapezoid?
A=Β½(b1+b2)h
P=a+b+c+d (or add all sides)
The formula to find the area of a parallelogram is the same formula as the area of a rectangle and square. True or false?
True.
What is the circumference of a circle with a diameter of 19?
C=59.66
C=19π
The base of a rectangle is 15 and the area of a rectangle is 135. What is the height of the rectangle?
h=9
A 20 dollar bill has a base of 4 and a height of 9. If you cut a diagonal line through the dollar bill, what is the area?
A=18
Base 1 and Base 2 are 5 and 7. The height is 3. Since Β½(5)(3)=7.5, 7.5 is the area. True or false?
False
A parallelogram has a height of 5 and a base of 7. What is the area?
A=35
Find the circumference of a circle that has a radius of 7.
A=43.96
A=14π
A rectangle has a height of 6 and a base of 4. What is the perimeter?
P=20
What is the perimeter of a triangle that has a base of 18, 21, and 13? What if it has a height of 6?
P=52
Why does the formula for trapezoids have b1 and b2?
Because trapezoids have two bases.
What is the perimeter of a parallelogram that has sides with a length of 7, 5, 7, 5, and a height of 2?
P=24
The ratio of pi is Circumference/diameter= pi. If the circumference of a circle is 18.84, what is the diameter? π β3.14
d=6
The height of a rectangle is 11cm and the base is 9cm. How many square centimeters are in the rectangle?
A=99
A right triangle has the length of the legs as 5 and 4 and the hypotenuse as 10. What are the perimeter and area? (Use the legs for the area).
A=10
P=19
Base 1 has a length of 6Γ4. Base 2 has a length of 81Γ·9. The lengths of the sides of the trapezoids are 4+9. What is the perimeter?
P=59
The base of a parallelogram is 5 and a height of ΒΌ. What is the area? Answer as a mixed number.
A=1 1/4
What is the circumference of a circle that has a radius of 6? What if the circle was only ΒΌ of a full circle? What would the circumference be? What shape would this be?
Quarter Circle
C=9.42 or C=8π
Rectangle A's base is 2 and the height is 4. Rectangle B's base is 5 and the height is unknown. What is the area of Rectangle B?
A=50
The shapes in the basic house structure have a square and a triangle. What is the perimeter of the house if the perimeter of the square is 16 and the triangle has a base of 5, 7, and 10?
P=38
Trapezoid A has a base of 72 and 34. Trapezoid A also has a height of 5. Trapezoid B has a base of 10 and 41, and a height of 9. What is the sum of the areas of both trapezoids?
A=494.5
A puddle of quicksand is shaped like a parallelogram. The height is π rounded to the nearest whole number. The base is 32. What is the area?
A=27