72 in^2
This is the formula for area of a rectangle
A = b * h
A _____________ is a quadrilateral with TWO pairs of parallel sides.
A parallelogram!
Find the area of a trapezoid using the following measurements. Base 1 of 20 cm. Base 2 of 15 cm. Side length of 12 cm. Height of 9 cm.
A = 157.5 cm^2
Name the polygon with 8 congruent sides. if a triangle has a base of 6.8 in and a height of 6 in, what is the area of the polygon?
Octogon. (6.8 * 6) ÷ 2 = 20.4 then multiply by 8 sides of the octogon. Total area of the octogon is 163.2 in^2
Find the missing height for a triangle with an area of 16 and a base of 4.
H= 8
This is the formula for area of a triangle.
A = 1/2 (b*h)
TRIPLE JEOPARDY!!! A pillow is in the shape of a regular pentagon. It is made from 5 pieces of fabric that are congruent triangles. Each triangle has an area of 19 in. What is the area of the pillow?
19 x 5 = 95 in^2
How many congruent trapezoids are inside a rectangle?
2 congruent trapezoids are inside every rectangle.
The roof of Kamden's house is shaped like a parallelogram. The base of the roof is 13 m and the area is 123.5 m. What is the height of the roof?
123.5 ÷ 13 = 9.5 height for the roof
This is the meaning of CONGRUENT.
Same size. Same shape!
This is the formula for the area of a square.
S^2
A = 75.6
DOUBLE JEOPARDY!!!! Mario traced a trapezoid. Then he cut it out and arranged them to form a rectangle. One trapezoid has bases of 4 in and 10 in and a height of 6 in. What is the area of the RECTANGLE?
84 in
A wall tile (rectangular shape) is cut diagonally into two colors, white and blue. The tile has a height of 5 in and a base of 5.8 in. What is the area of the white part?
A = 14.5 in
Find the area of a trapezoid with bases of 4.5 in and 2.5 in and a height of 5 in.
A = 17.5 in ^2
This is the formula for area of a parallelogram
A = b*h
TRIPLE JEOPARDY!!!! A trapezoid has an area of 20.8 in^2. If the lengths of the bases are 5 in and 5.4 in, what is the height?
height = 2
DOUBLE JEOPARDY!!!! This is how you would find the area of any composite figure.
Break them down into familiar shapes. Find the area of each shape. Then add all areas together.
Quadrant III
Alex wants to enlarge a 5 ft by 8 ft vegetable garden by multiplying the dimensions of the garden by 2. Find the area of the original garden and the NEW bigger garden.
Original = 40 ft
NEW = 160 ft
DOUBLE JEOPARDY!!!!
This is the formula for area of a trapa-trapa-trapazoid!
A = 1/2 (b1 + b2) h
The number of square units needed to cover a surface with out any gaps or overlaps.
AREA
How many congruent triangles does it take to make a rectangle?
DOUBLE JEOPARDY!!! A rectangle has an area of 50 cm^2. The dimensions of the rectangle are multiplied by a number to make a new rectangle with an area of 200. What number were both dimensions multiplied by?
The dimensions were multiplied by 2 each, or the total area was multiplied by 4.