Geometry 5.1

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle where all three sides are of different lengths.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle greater than 90 degrees.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are of equal length and all angles are 60 degrees.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in any triangle is always 180 degrees.

Front

How do you determine if three angles can form a triangle?

Back

Three angles can form a triangle if their sum is exactly 180 degrees.

Front

Solve for x: 2x + 5 = 15.

Back

x = 5.

Front

Solve for x: 3x - 7 = 2.

Back

x = 3.