Unit A Flashcard B4

Front

What is the formula for the area of a triangle?

Back

Front

What is the formula for the area of a rectangle?

Back

Front

What is the formula for the area of a trapezoid?

Back

Front

What is the formula for the area of a circle?

Back

Front

How do you calculate the arc length of a circle?

Back

Arc Length = r \theta, where r is the radius and \theta is the angle in radians.

Front

What is the hypotenuse in a right triangle?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle.

Front

If a triangle has sides of lengths 3, 4, and 5, which side is the hypotenuse?

Back

The hypotenuse is the side with length 5.

Front

What is the Pythagorean theorem?

Back

Front

How do you solve for y in the equation 2y + 3 = 13?

Back

y = 5.

Front

What is the formula for the circumference of a circle?

Back