Chapter 10 Review

Front

What is the formula for the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Front

How do you find the diameter of a circle if you know the radius?

Back

Diameter = 2 × Radius.

Front

What is the standard form of a circle's equation?

Back

(x - h)² + (y - k)² = r², where (h, k) is the center and r is the radius.

Front

What is the distance formula between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²).

Front

What does it mean for two triangles to be similar?

Back

Two triangles are similar if their corresponding angles are equal and their sides are in proportion.

Front

What is the relationship between the sides of a 30-60-90 triangle?

Back

The sides are in the ratio 1:√3:2.

Front

What is the value of sin(30°)?

Back

sin(30°) = 1/2.

Front

What is the value of cos(60°)?

Back

cos(60°) = 1/2.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.