(area and perimeter formulae)
The classroom is getting new pink carpet. If the room has a length of 10m and a width of 6 m. How much carpet will the room need.
The room will need 60 m2 of carpet.
When a height is at a right angle to the base it is known as the ............. height?
Perpendicular
What are the 4 steps to solving an equation?
Formula
Substitute
Solve
Statement
2x + y -22
Coefficient of x is 2
What is the area formula for a parallelogram.
If the triangle has a perimeter of 32cm solve for the length of the unknown side.
P = 32cm
Unknown side length = 11 cms
Find the area of this triangle.
A= 24 units squared
Mary needs to fence around her backyard. The length of her backyard is 5m and the width is 8m. If fencing comes in sections of 3m how many sections does Mary need to buy to fully fence her yard.
14 sections
Solve the following for y
3y -10 = 20
y = 10
What is the perimeter of this shape?
P = 43yards
Find the area and perimeter of this parallelogram.
A = B x H
A = 15 x 5A= 75cm squared
P = 15 +7 + 15 + 7
P= 44cm
Billy Joel needs to measure out his piano playing room.
He needs the room to be at least 24 m squared to fit his massive piano.
If the length of the room is 6m, what is the minimum width the room can be to fit his piano?
minimum room length is 4m
6 x 4 = 24m squared
Write an expression that would fit the following:
A farmer hires 10 people.
Each person can pick a bean plant that holds 6 beans per plant.
(let b = beans and p = people)
10p x 6b
Find the perimeter of this composite shape.
P= 28cm
Find the area of this composite shape.
A (of rectangle part)
= l x w
= 5 x 6
=30cm squared
A (of triangle) =b x h /2
= 8 x 5 /2
=20 cm squared
Total area = 30 + 20
=50cm squared
A square pizza box has an area of 324cm squared. What is the length of one side of the pizza box?
18 cm
What is the difference between an expression and an equation?
Expression has no equals sign, an equation does.