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what do you need to know how to do
It is an equilateral triangle. What can you say about the two other angles of the triangle?
No, could you answer my question, please?
that they are equal, so x equals 45?
zehan mention me in your ? and i'll come to it
wait no, cause x is equall to the opposite inner angles? so x = 80?
Both angles in the triangle are equal. Sum of all angles in a triangle is how many degrees?
Im still confused.
all the angles have to equal 180 inside no?
Sum of angles is 180. One angle is 40. Sum of other two angles is 140. The other two angles are equal, so 70 degrees each.
Oh alright thank you.
So that means x = 70 + 40?
Yes! See, it is not that hard...
can you help me with one more thing?
I attached the picture.
I can see it ;) If P is a centroid, then P divides QT into two pieces, QP and PT, with QP:PT =2:1 Now you know the length of QP (=14), so what would be the length of PT?
14 + 14? zoo. 28?
No, QP:PT=2:1, so QP is double the length of PT, so PT would be 7. So total 14+7=21
oh okay now I get it.