Triangles
The height of my triangle is 6 inches and the width is 7 inches. What is the area of my triangle?
21in2
The corresponding angle measures in similar figures must be _____?
Equal or congruent
What is the formula for area of a circle?
A = 3.14 x r2
What is the formula to find the area of a rectangle?
A = (length) (width)
OR
A = (base) (height)
What does area mean?
The amount of space inside a shape.
What is the formula for area of a triangle?
A = 1/2 (b) (h)
What are similar figures?
Figures that have the same shape but not necessarily the same size.
The radius of my circle is 20 inches. What is the diameter of my circle?
40 inches
Greyson and Preston have a piece of paper that is 10 inches by 9 inches. What is the area of the paper?
90inches2
Miss. Colandrea is making a bulletin board. She wants to know how much paper she needs to make the border of her bulletin board.
Does Miss. Colandrea need to know the area of her board or the circumference?
Circumference
The height and base of a triangle form a _____?
Right angle
A rectangular garden is 45 ft wide and 70 ft long. On a blueprint, the width is 9 in. Identify the length on the blueprint.
14in
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
65.94 ft
The area of a rectangle is 72ft2. One side length is 9ft. What is the other side length?
8 feet
My composite figure is made of a triangle and a rectangle. The total area of my figure is 90 ft2.
The area of my triangle is 18ft2. What is the area of my rectangle?
72ft2
A garden in the shape of a triangle measures 120ft2. If the base is 15 feet, what is the height of the triangular garden?
16 feet
A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner?
72in
Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s
circumference?
31.4 in
Penny's garden has a fountain in the middle that has a base of 5 in. and the height is 9 in. The garden around it has a base of 16 in. and the height is 5 in. What is the area of the garden?
35in2
A button has a diameter of 4 centimeters.
What is the area of the button?
50.24 cm2
Mrs. Mika made an apple pie with a radius of 6 inches. She cut the pie into 6 equal slices. Find the approximate area of EACH slice.
18.84 in2
A drawing of a flagpole uses the scale 1 in = 4 ft. If the pole measures 12 inches in drawing, how tall is the actual pole?
48 feet
The diameter of my circle is 6ft. What is the area of my circle?
28.26 ft2
What is the length of the side of a square with an area of 16in2
4 inches
A little girl stands on the outside edge of a carousel and rotates around the ride 6 times. The distance between the little boy and the center of the carousel is 5 feet.
What is the distance the little girl travels during her ride 6 times around the carousel?
188.4 ft