Area
length times width
How do we find the perimeter of a shape?
Add all the sides together
How do we find the area of a right triangle?
base times height divided by 2
Length is---------------
How long something is
What are the FOUR types of angles?
Acute, obtuse, right, straight
Opposite sides on a rectangle are-------------
Equal/Congruent
What is the perimeter of a square with a side length of 5ft?
5+5+5+5= 20ft
Area of a right triangle with a base of 10mm and a height of 5mm.
10 times 5 = 50
50 divided by 2= 25mm2
How many centimeters in a meter?
100cm
How many degrees does a right angle measure to?
90o
If a square has a side length of 10mm, what is the square's area?
100mm2
What is the perimeter of a rectangle with side lengths of 7cm and 10cm?
10+10+7+7=34cm
Area of a right triangle with a base of 18 cm and a height of 4cm.
18 times 4=72
72 divided by 2 is 36cm2
How many milligrams in a gram?
1,000g
How many degrees is an obtuse angle?
91-179o
A rectangle has one side that measures 12 cm and one side that measures 8 cm. What is its area?
96cm2
A rectangle has a perimeter of 12 yds. What are the measurements of the two sides?
4 and 2. 4+4+2+2=12
How many degrees is a triangle?
180o
What do we measure when we have liters or milligrams?
Volume
If a triangle has one 90 degree angle and one 30 degree angle, what is the measure of the third angle?
30+90=120
180-120=60o
A rectangle has an area of 56cm2 and a perimeter of 60cm. What are the measurements of the two sides?
28cm and 2cm
What is the perimeter of a circle called?
Circumference.
What is Pythagorean theorem?
a2+b2=c2
What unit do we use for area AND volume?
units2 for area
units3 for volume
Vertex