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What angles are always less than 90 degrees?
ACUTE
What angles are always greater than 90 degrees?
OBTUSE
What is the measurement (in degrees) of a STRAIGHT line?
180
An _________________ triangle has two congruent sides.
ISOSCELES
An _________________ triangle has three congruent sides.
EQUILATERAL
An _________________ triangle has zero congruent sides.
SCALENE
For a triangle to be obtuse, how many obtuse angles does it need to have?
ONE
True or False. An acute triangle has three acute angles.
TRUE
True or False. A right triangle has one right angle and one obtuse angle.
FALSE
The angles of ALL triangles always add up to what number?
180 degrees
What is the measurement of the missing angle?
20 degrees
What is the measurement of the missing angle?
60 degrees
A playground is shaped like a rectangle. It is 30 meters long and 10 meters wide. What is the area of the playground?
300 square meters
A garden is 12 feet long and 9 feet wide. How much fencing is needed to go around the garden?
42 feet
A classroom rug is 8 feet long and 5 feet wide. How much space will the rug take up?
40 square feet
A rectangular pool is 20 meters long and 6 meters wide. The lifeguard draws a red line around the pool for safety. How long is the line?
52 meters
