Calculate Area 1
Classifying
Polygons
Polygons
Calculate Area 2
Missing Angles
Mystery
100
What is the area of a square with a side that measures 15 cm?
What is 225 cm sq.
100
Is a triangle a quadrilateral? Why or why not?
No, they only have three sides. Quadrilaterals must have four sides.
100
What is the area of a rectangle that has a length of 12 inches and a width of 7 inches?
84 square inches
100
What do the interior angles of a triangle add up to?
180 degrees
100
Ms. Brinson wants to put up a fence around her garden this summer. It is shaped like a rectangle, and it has a length of 14 yds and a width of 5 yds. How many yards of fencing does she need to buy in order to fence in her entire garden?
38 yds. of fencing
200
What is the are of this figure?
440 ft sq.
200
What quadrilateral has opposite sides that are congruent, four right angles, and two pairs of parallel sides?
a rectangle
200
What is the area of this triangle to the nearest tenth?
A = 10.3 ft2
200
What do the interior angles of a quadrilateral add up to?
360 degrees
200
What are the three characteristics of a polygon?
1. Has no curves
2. Has no intersecting lines
3. Is closed and has no holes
300
DOUBLE JEOPARDY: WORTH 600 POINTS
What is the area of this figure?
40 cm sq.
300
What quadrilateral has only one set of parallel sides?
Trapezoid
300
What is the area of a triangle with a base of 4 meters and a height of 15 meters?
30 m2
300
DOUBLE JEOPARDY: WORTH 600 POINTS
If a triangle has two angles that measure 45 degrees and 87 degrees, what is the measure of the third angle?
48 degrees
300
What is the area of a triangle that has a base of 17m and a height of 23 m?
195.5 sq. m
400
What is the area of this figure
300 inches sq.
400
True or False:
Parallelograms have four right angles.
False.
400
27cm2
400
If a triangle has two angles that both measure 75 degrees, what is the measure of the third angle?
30 degrees
400
What is the area of a trapezoid that has a height of 19m and bases of 3m and 8m?
104.5 sq. m
500
What is the area of this figure?
68 m sq.
500
What is the difference between a square and a rectangle?
Rectangles have two sets of equal sides. Squares must have 4 equal sides.
500
What is the area of a trapezoid that has bases of 13 cm and 4 cm with a height of 12 cm?
102 cm2
500
If a quadrilateral has three angles that measure to 34 degrees, 69 degrees, and 148 degrees, what is the measure of the fourth angle?
109 degrees
500
Name all of the polygons that we have talked about in this chapter and their area formulas.
Triangle: b*h/2
Rectangle/Square: l*w
Parallelogram: b*h
Trapezoid: h(b1+b2)/2