Geometry, Perimeter and Area

The video tutorial covers basic geometry concepts, including perimeter and area calculations for various shapes like triangles, squares, and rectangles. It also addresses solving SAT-style problems involving quadrilaterals and circles. The tutorial explains the properties of parallel lines and angles, and provides strategies for eliminating incorrect answer choices. Key circle formulas are discussed, and practical problem-solving techniques are demonstrated.

What is the perimeter of a square with each side measuring 4 inches?

• 20 inches

• 24 inches

• 16 inches

• 12 inches

How do you find the area of a triangle?

• Base times height

• Length times width

• 1/2 times base times height

• Side squared

In the SAT problem, what is the area of the rectangle ABCE?

• 40

• 38

• 32

• 24

What is the sum of adjacent angles when two parallel lines are intersected by a third line?

• 90 degrees

• 120 degrees

• 150 degrees

• 180 degrees

If angle A is 120 degrees, what is angle C?

• 60 degrees

• 150 degrees

• 90 degrees

• 120 degrees

What is the formula for the circumference of a circle?

• 2 r

• pi r squared

• 2 pi r

• pi d squared

If a circle has a radius of 5, what is its area?

• 10 pi

• 15 pi

• 20 pi

• 25 pi

In the circle problem, what is the radius if the side of the square is 12?

• 9

• 12

• 3

• 6

What is the area of the shaded region if the square's area is 144 and the circle's area is 36 pi?

• 108

• 54

• 144 - 36 pi

• 90

If the circumference of a circle is 100, what is the length of arc DE if it measures 90 degrees?

• 10

• 25

• 15

• 20