Unit 5 Final REVIEW - Geo

Front

What do the angles in an equilateral triangle measure?

Back

60 degrees each.

Front

What is the measure of angle A if the base angles are equal and one angle measures 46 degrees?

Back

88 degrees (180 - 46 - 46).

Front

If two sides of a triangle measure 6 inches and 12 inches, what could be the length of the third side?

Back

10 inches (must be greater than the difference and less than the sum of the other two sides).

Front

What is a scalene triangle?

Back

A triangle with no congruent (equal) angles and no congruent (equal) sides.

Front

What is a midsegment in a triangle?

Back

A segment that connects the midpoints of two sides of the triangle.

Front

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

Back

180 degrees.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is the difference between acute and obtuse triangles?

Back

An acute triangle has all angles less than 90 degrees; an obtuse triangle has one angle greater than 90 degrees.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.