What type of triangles are used in the Pythagorean Theorem?
Right triangles
Find the third side.
a = 23.6
where: b = 55.5, c = 60.3
What is the definition of area?
the space inside of a 2D shape
What is the defintion of volume?
The amount that fits inside of a 3D object.
What is the defintion of surface area?
sum of all of the areas of a 3D shape
What is the letter that is always across from the right angle?
C
The two legs of the right triangle are 80cm and 30 cm. What is the length of the third side?
85.4 cm
What is the formula for the area of a base of a triangular prism?
A = b x h / 2
What is the basic formula for Volume of a prism?
V = AREA OF THE BASE X HEIGHT
A rectangular prism is 4.3 m long, 2.3 m wide and 8.1 m high. What is the surface area?
Round to the nearest tenth.
SA = 126.7 m2
How do you solve for the letter c?
c2 = a2 + b2 then take the square root.
The bottom of a ladder must be placed 3 feet from a wall. The ladder is 12 feet long. How far above the ground does the ladder touch the wall?
11.6m above the ground.
What is the surface area of a cube with sides measuring 15 cm?
3375 cm3
What is volume of a rectangular prism that is 30 ft long by 14 ft wide by 8 ft tall?
3360 ft3
What is the surface area for this cylinder?
r = 5.3 in h = 6.7 in
Round to the nearest tenth.
SA = 399.6 in2
What is the formula for finding a?
a2 = c2 - b2 then take the square root.
Daniel rides his bicycle 21 km west and then 18 km north. How far is he from his starting point?
c = 27.7 km
The radius of the base of a right circular cylinder is 7 cm, and the height is 18 cm. What is the lateral surface area of the cylinder?
791.7 cm2
What is the volume of the Triangular prism?
b = 5 m, h(of triangle) = 17 m and h(of prism) = 32 m
V = 1360 m3
What is the surface area for this triangular prism?
b = 4 cm, h = 3 cm, slant height = 5 cm, other slant height 8 cm, height of prism 13 cm.
SA = 233 cm2
What is the formula for finding b?
b2 = c2 - a2 , then take the square root
John is trying to determine the length of the staircase he will need for a deck that is 12 feet high. He wants to start the stairs 21 feet from the deck. What is the length of the staircase?
24.2 feet long.
A circle cookie has a radius of 12 cm. A triangle shape has been removed from the centre of the cookie. The removed triangle had a base of 9 cm and a height of 8 cm. How much cookie is there left?
Round to the nearest whole number.
A = 416 cm2
The diameter of a cylindrical tank is 19 feet, and the height is 25 feet. How much water can the tank hold if filled to the top?
Round to the nearest tenth.
V = 7088.2 ft3
You are making a round cake with two layers. The bottom layer has a diameter of 9 in. and the top layer has a diameter of 7 in. Both layers are 6 in. high. How much fondant is needed to cover the cake?
Round to the nearest tenth.
SA = 365.2 in2