Is this correct ?

Question

Is this correct ?

anonymous · Answer

attachment

jim_thompson5910 · Answer

looks good

exterior = 360/18 = 20 degrees

interior = 180 - exterior = 180 - 20 = 160 degrees

anonymous · Answer

Thanks!

jim_thompson5910 · Answer

you're welcome

anonymous · Answer

is this correct too? will you help me check my answers on this assignment? @jim_thompson5910

jim_thompson5910 · Answer

both are correct

area:  A = pi*r^2 --> A = 3.14*4^2 = 50.24
circumference: C = 2*pi*r ---> C = 2*3.14*4 = 25.12

anonymous · Answer

is this correct?

anonymous · Answer

@jim_thompson5910

anonymous · Answer

I filled in the triangle and got 8 for the bottom and 7 for the side. I multiplied and got 56 and divided by 2 to get the area of the whole triangle (28) . After I multiplied 2 and 3 and got six. I subtracted 6 from 28 to get 22 for the shaded area. I believe.

jim_thompson5910 · Answer

you nailed the steps and the final answer. Nice job

anonymous · Answer

yay im finally learning

jim_thompson5910 · Answer

I'm glad you are

anonymous · Answer

what about this one? I took 64 and multiplied it by 3.14 and divided by two and got 100.48 After I added 100.48 + 100 + 100.48 + 100 and got 400.96 @jim_thompson5910

jim_thompson5910 · Answer

400.96 is correct. You're on a roll

anonymous · Answer

i think you've helped me with this problem before but im kinda confused again

jim_thompson5910 · Answer

notice how points G and F are on the same horizontal line

what must the y coordinate of F be?

anonymous · Answer

T?

jim_thompson5910 · Answer

correct, since that is the y coordinate of point G

jim_thompson5910 · Answer

so point F is something of the form (??, t)

where the question marks represent the x coordinate. Unknown for now

jim_thompson5910 · Answer

now start at point H and move to point G

how many units left did you go?
how many units up did you go?

anonymous · Answer

-s to the left?

jim_thompson5910 · Answer

yes, so you'll follow the same pattern you went from H to G to go from E to F

so you start at E and go left 's' units, then go up t units to land on F

jim_thompson5910 · Answer

E has u as the x coordinate

go left s units to get to u-s

then go up to land on (u-s,t)

jim_thompson5910 · Answer

again it's probably easier to replace all the letters with actual numbers

jim_thompson5910 · Answer

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jim_thompson5910 · Answer

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jim_thompson5910 · Answer

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jim_thompson5910 · Answer

start at H and go left 's'

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jim_thompson5910 · Answer

go up t units

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jim_thompson5910 · Answer

left s, up t

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