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I need to go but can u wait for me in here
ill be back, i gotta go too
Hi Hikari - this looks quite tricky at first, but can you see how to calculate the angle marked in red? Hint: exterior angle of the smaller right angled triangle equals the angle marked in red plus 90 degrees.
hey dumbcow, can you explain guyc hint about the exterior angle?
ok back, this is a 30-60-90 right triangle so the upper angle is 60 have you learned sin and cos functions ??
wait never mind, a 30-60-90 triangle is a special triangle with ratio 1:sqrt(3):2 for our triangle 9:9sqrt(3):18 therefore k + 3sqrt(3) = 9sqrt(3) k = 6sqrt(3)
k = 6sq(3) what is 702?
i got k + 27=729
3 time 3 time 3=27 9X9X9=729
a 30-60-90 triangle is a special triangle with ratio 1:sqrt(3):2 for our triangle 9:9sqrt(3):18 therefore k + 3sqrt(3) = 9sqrt(3) k = 6sqrt(3) sqrt = square root why are you multiplying 3*3*3 and 9*9*9
i am sorry that i got myself confuse
thats alright its hard to explain without drawing it out
1:sqrt(3):2 means vertical side length is 1 bottom side length is sqrt(3) hypotenuse or diagonal side is 2 because for our triangle the vertical side is 9 9 is our scale factor multiply everything by 9 9:9sq3:18 bottom side is 9sq3 diagonal is 18
i am confuse now
sorry answer is k = 6sqrt(3) i'll try to scan in a picture later
that's aok can help me with other questions
i saw it already and i got it