Unit 5 Test Review

Front

What is the Pythagorean Theorem?

Back

In a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). Formula: a² + b² = c².

Front

What type of triangle does the Pythagorean Theorem apply to?

Back

The Pythagorean Theorem ONLY works on right triangles.

Front

What is a right triangle?

Back

A triangle where there is a 90 degree angle.

Front

What is the largest side in a right triangle called?

Back

The hypotenuse.

Front

Can the segments 3, 4, and 8 form a triangle?

Back

No, because the sum of the lengths of the two shorter sides (3 + 4 = 7) is less than the length of the longest side (8).

Front

What is the formula to find the area of a triangle?

Back

Area = 1/2 * base * height.

Front

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

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

What is rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

How do you round 9.029 to the nearest hundredth?

Back

Look at the third decimal place (9). Since it is 5 or greater, round up the second decimal place (2) to 3. So, 9.029 rounded to the nearest hundredth is 9.03.

Front

What is a scalene triangle?

Back

A triangle where all three sides are of different lengths.