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20 terms

Sum of interior angles in a triangle?

180 degrees

What is the missing measure in this triangle?

30 degrees, 90 degrees and 40 degrees

30 degrees, 90 degrees and 40 degrees

180 -30 - 90 - 40 = 20

Sum of interior angles in a quadrilateral?

360 degrees

Missing measure in this quadrilateral?

50 degrees, 90 degrees 100 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