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Mathematics 20 Online
OpenStudy (anonymous):

What is the area of the figure in square millimeters and in square centimeters. A. 325 mm² and 32,500 cm² B. 325 mm² and 3.25 cm² C. 375 mm² and 37,500 cm² D. 375 mm² and 3.75 cm²

OpenStudy (anonymous):

OpenStudy (tester97):

Take the area of one square and the other one and add them together. Then tell me what you have.

OpenStudy (anonymous):

idk :(

OpenStudy (tester97):

do you know how to find area of a square?

OpenStudy (anonymous):

40?

OpenStudy (tester97):

where do you get 40 from?

OpenStudy (anonymous):

the right square:(

OpenStudy (tester97):

here let me break it down for you give me a minute

OpenStudy (anonymous):

kk

OpenStudy (tester97):

does this make sense?

OpenStudy (anonymous):

kinda

OpenStudy (tester97):

so find the area of the first square the one thats is 15mm then find the area of the next square which is 10 mm and add them together and tell me wat you have

OpenStudy (anonymous):

25

OpenStudy (tester97):

no, you have to find the area of each individual square like the first square that is 15mm by 15mm that would have the area of 225 following me|?

OpenStudy (anonymous):

oh ic

OpenStudy (tester97):

so can you find the area of the second square?

OpenStudy (anonymous):

i think

OpenStudy (tester97):

so wat is it?

OpenStudy (anonymous):

d

OpenStudy (anonymous):

???

OpenStudy (tester97):

yup :) you got it ^_^ good job

OpenStudy (tester97):

No wait

OpenStudy (anonymous):

What is the area of this rectangle? A. 48 cm B. 48 cm² C. 14 cm D. 14 cm²

OpenStudy (tester97):

15^2+10^2=325 so that would make the answer B

OpenStudy (tester97):

for this second one it would choice B because 6*8=48. and remember when you find the area of rectangles and squares all you have to do is multiply length times width

OpenStudy (anonymous):

i got a 80% i passed thx man :DDDDDDDD

OpenStudy (tester97):

Welcome :) can you fill this out for me? https://docs.google.com/forms/d/11TgMbGrlI1NKzvcP2noXD-KBquj0eXLvaHcZqS61Wlc/viewform

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