Question

Take the equilateral triangle.
each angle is 60 so it must sum up to 180.
please help...
the diagram is below
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Answer 1

hi

what mean equilateral triangle ?

Answer 2

@jhonyy9 it has all sides equal and all angles equal.

Answer 3

yes right but how many is ,how many degree is an angle ?

Answer 4

a triangle must sum up to 180 degree so i want to know each angle

Answer 5

so you know that the sum of angles of a triangle is 180 degree
and you know that an equilateral triangle has all angles equales so this mean that an angle has 60 degree because 180 /3 = 60

yes ?

Answer 6

so than what is the question ?

Answer 7

so i dont know the angle 'T' 'S' 'R' 'Q' and 'P'

Answer 8

ok

what you know ? that what triangle is equilateral ?

Answer 9

yes

Answer 10

you know that triangle TRS is equilateral

yes ?

Answer 11

yes

Answer 12

so this mean that angle T ,angle R and angle S has 60 degree

yes ?

Answer 13

so you know again that angle P has 120 degree

and you have learned hope so much that a line has 180 degree

so this mean that is angle P_1 has 120 degree so than angle P_2 need being 60 degree

so than you know that angle T has 60 degree and angle P_2 has the same 60 degree so this mean that angle Q need being 60 degree because the sum of angles of a triangle is 180 degree and than 180 -(60+60) =60

ok ?

Answer 14

can u show me by drawing

Answer 15

@jhonyy9

Answer 16

why ? there up you have draw it