12/3 Warm-Up

Front

What is the square root of 12?

Back

√12 = 2√3

Front

What is the simplified form of (4√3)/3?

Back

(4√3)/3 is already in its simplest form.

Front

What type of triangle do the sides 9, 12, and 15 form?

Back

Right triangle.

Front

What type of triangle do the sides 6, 8, and 12 form?

Back

Obtuse triangle.

Front

What is the definition of an acute triangle?

Back

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

Front

What is the definition of a right triangle?

Back

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

Front

What is the definition of an obtuse triangle?

Back

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

Front

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

Back

The sum of the lengths of any two sides must be greater than the length of the third side.

Front

What is the Pythagorean theorem?

Back

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

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.