Polygons
Name a polygon with exactly 4 right angles
Square or Rectangle
If an angle measures exactly 0 degrees what kind of angle is it?
What is the formula for area?
A = L x W
What is the center of a protractor called?
Origin
What kind of lines form a right angle?
Perpendicular
If an angle measures 179 degrees, what kind of angle is it?
Obtuse
Look at the protractor on your paper, how many degrees does it measure?
90 degrees
On your paper draw, 3 lines that are all parallel to each other.
What is the sum of 2 angles that both measure 45 degrees?
90 degrees
Below shows how Carson solved the perimeter of a 12 cm by 14 cm rectangle. What is his mistake?
P= 2W + 2L
P = 2(14) + 2(12)
P = 28 + 24
P = 42 cm
When adding, he did not regroup.
How many degrees does the protractor read?
70 degrees.
What is a quadrilateral with exactly 2 sets of parallel sides?
Parallelogram
Look at the image on your paper. How many degrees is the missing angle?
55 degrees
A rectangle has a width of 15 inches and a length of 122. What is the perimeter of the rectangle?
274 inches
Construct a 45 degree angle on your paper.
See paper
Draw on your paper a polygon with exactly 1 line of symmetry—label the line of symmetry
Pentagon
If the kite measure 30 degrees, how many degrees is the rhombus?
60 degrees
The area of a rectangle is 60 ft squared. The length of the rectangle is 5 ft. What is the width?
12 feet
Construct a 175 degree angle and classify it
Obtuse