Shapes
the base and height of a triangle create a specific type of angle
What is a right angle?
Parallelograms have this number of right angles
What are zero right angles?
The area formula of a trapezoid
What is A = (base + base) x h divided by 2?
What is the formula for area of a circle
π x radius2
the formula for finding the area of a triangle
What is A = (base x height)/2 or what is A = 1/2(base x height)?
The height parallelogram is usually a_______________
dotted line --------
the bases and height of a trapezoid create
What is a right angle?
Find the area of a circle with a radius of 5 units.
A=78.5u2
Find the area of a triangle with a base of 12 feet and a height of 4 feet
What is 24 square feet?
Find the area of a parallelogram with a base of 4.5 inches, a height of 3 inches, and a side width of 4 inches.
What is 13.5 square inches?
the area of a trapezoid with bases measuring 4 feet and 7 feet and a height of 6 feet. Draw on paper if it'll help you.
What is 33 square feet?
A circle has an area of 64π square inches. Find its radius.
radius=8 inches.
Isosceles triangle has a base of 5 units, two other side lengths measuring 10 units, and a height of 11 units. Find the area. Draw the picture if it'll help you.
What is 27.5 units2 ?
The two side lengths are 10 inches, and the two side widths are 5 inches. The actual height is 4 inches. The equation looks like....
What is A = 10 inches x 4 inches?
Draw the trapezoid ABCD. Line AB is 5 feet, line BC is 10 feet, line CD is 5 feet, and line DA is 7 feet. The height is....
What is an unknown height of the trapezoid? (It is unknown because you're only given side lengths of trapezoid. Height, which is perpendicular to the base is not given)
If the area of a circle is 100 square centimeters, what is its diameter?
diameter=10 centimeters
figures that are made up of more than one shape
What are irregular polygons?
Draw the figure on paper to help you. Fine the height of a triangle with an area of 35 square meters and a base of 7 meters
What is 10 meters in height?
Find the base of a parallelogram with an area of 28 square feet, height of 4 feet, and a side width of 14 feet.
What is 7 feet?
Draw trapezoid EFGH. Line EF is 6 inches, line FG (base 1) is 7 inches, line GH is 5 inches, and line HE (base 2) is 3 inches. Height is 4 inches. Area is...
What is 20 inches2 ?
Calculate the area of a circle with a circumference of 18π units.
A=81 square units.