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Mathematics 22 Online
TETSXPREME:

@AZ C:

TETSXPREME:

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AZ:

We have three shapes Do you see the three shapes?

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TETSXPREME:

yes

AZ:

so that red shape it's a rhombus that means the area is the base (10 meters) times the height (7 meters) area = base * height can you tell me the area? multiply the 2 numbers

TETSXPREME:

70

AZ:

Good! Now the little blue box is a square it has sides of 4 what is the area? area = side * side

TETSXPREME:

so i do 70*4?

AZ:

no no the 70 you just keep it stored in your memory now we're looking at a totally different shape so this square has sides of 4 squares have four sides that all have the same length so area for a square = side * side and the sides are all 4 so area of a square = 4 * 4

TETSXPREME:

16

AZ:

good! Now do you know how to find the area of a triangle?

AZ:

we have a base of 4 and a height of 15 area of triangle = 1/2 * base * height

TETSXPREME:

yea i think so it equal 60 so we cut it in half to make it 30?

AZ:

Bingo!

AZ:

So add up all three numbers because the area of the ENTIRE figure is just the area of all the pieces added up together so 70 + 16 + 30 =

TETSXPREME:

126

AZ:

oopsie doopsie add the numbers again

TETSXPREME:

116?

AZ:

Much better!

TETSXPREME:

woah ty az C:

AZ:

No problem!

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