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Mathematics 21 Online
OpenStudy (anonymous):

Help me with these area of figures questions? See attached. Giving medals!

OpenStudy (anonymous):

OpenStudy (anonymous):

1) 90

OpenStudy (anonymous):

nd the others?

OpenStudy (anonymous):

3) 21.25

OpenStudy (anonymous):

2) \[36\sqrt{3}\]

OpenStudy (anonymous):

Ok, and for "A parallelogram has an area of 42 cm^2. What would the area be if the base was one-third as long and the height was twice as long?" do you know if the answer is 63^2??

OpenStudy (anonymous):

h2=h1/2 b2= b1*3 yes?

OpenStudy (anonymous):

I did 42*(3/2) but some1 just told me it might be 42*(2/3??

OpenStudy (anonymous):

what is hapen with height and base

OpenStudy (anonymous):

nvm i figured it out, ty

OpenStudy (anonymous):

ok hb=42 hb3/2=a2 a2=a1*1.5

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