5.1 and 5.4 Flashcard Review (USE YOUR STUDENT ID AND LAST NAME!)

Front

What do the angles in an equilateral triangle measure?

Back

60, 60, 60

Front

Find x if 2x + 4 = 36.

Back

16

Front

Find x if 3x - 5 = 178.

Back

61.5

Front

What is the classification of a triangle with all angles less than 90 degrees?

Back

acute triangle

Front

What is the classification of a triangle with one angle greater than 90 degrees?

Back

obtuse triangle

Front

What is the classification of a triangle with two equal sides?

Back

isosceles triangle

Front

What is the classification of a triangle with all sides of different lengths?

Back

scalene triangle

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

If one angle of a right triangle is 30 degrees, what are the other two angles?

Back

60 degrees and 90 degrees

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 * base * height