Perimeter
What is the perimeter of a square with sides of 4 cm?
Answer: 16 cm
What is the area of a rectangle with length 4 and width 3?
Answer: 12 square units
What type of angle is exactly 180 degrees?
Answer: Straight angle
What is the formula for finding the area of a rectangle?
Answer: Length x Width
What is the perimeter of a rectangle with length 8 and width 3?
Answer: 22 units
What is the area of a square with sides of 7 cm?
Answer: 49 square cm
What type of angle is less than 90 degrees?
Answer: Acute angle
What is the formula for finding the perimeter of a square?
Answer: Side x 4 or add all four sides together
A triangle has sides of 7, 9, and 11. What is the perimeter?
Answer: 27 units
What is the area of a rectangle with length 11 and width 5?
Answer: 55 square units
What is the difference between intersecting and perpendicular lines?
Answer: Intersecting lines cross at any angle while perpendicular lines always cross at exactly 90 degrees.
A rectangle has a length of 9 and a width of 5. What is the perimeter and the area?
Answer: Perimeter: 28 units. Area: 45 square units.
A square has a perimeter of 48 cm. How long is each side?
Answer: 12 cm
A square has an area of 64 square cm. How long is each side?
Answer: 8 cm
Name all four types of angles we learned.
Answer: Acute, right, obtuse, and straight.
What type of triangle has one right angle?
Answer: A right triangle
A rectangle has a perimeter of 40 units and a length of 12. What is the width?
Answer: 8 units — 40 minus 24 divided by 2
A rectangle has an area of 48 square units and a width of 6. What is the length?
Answer: 8 units
A shape has four angles. Two are right angles, one is acute, and one is obtuse. Is this a rectangle? Explain.
Answer: No. A rectangle has four right angles. This shape has only two right angles so it is not a rectangle.
A square and a rectangle both have a perimeter of 20 units. The rectangle has a length of 7. What are the side lengths of each shape?
Answer: Square: all sides are 5 units. Rectangle: length 7 and width 3.