20 terms

Spiral Review Station #1

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Sum of interior angles in a triangle?
180 degrees
What is the missing measure in this triangle?
30 degrees, 90 degrees and 40 degrees
180 -30 - 90 - 40 = 20
Sum of interior angles in a quadrilateral?
360 degrees
50 degrees, 90 degrees 100 degrees
360 - 50 - 90 - 100 = 120
What is the measure of a complementary angle?
90 degrees
What is the complement of a 25 degree angle?
90 - 25 = 65
What is the measure of a supplementary angle?
180 degrees
What is the supplement of a 110 degree angle?
180 - 110 = 70 degrees
Define isosceles triangle
A triangle with two congruent sides
Define scalene triangle
A triangle with three sides of different lengths
What is the measure of each angle in an equilateral triangle?
60 degrees
What is an acute triangle?
A triangle with three acute angles
What is a right triangle?
A triangle with one right angle
What is an obtuse triangle?
A triangle with one obtuse angle
What are perpendicular lines?
Lines that intersect to form right angles
What are parallel lines?
Lines that are equal distance apart and never intersect.
How many cm in one inch?
2.5 cm in one inch
About how many grams in one ounce?
About 28 grams in one ounce
A km is about what part of a mile?
A km is .62 of a mile
About how may liters are in 2 gallons?
About 8 liters in two gallons