Original post by iamspiderman
"Write an expression in terms of x for the sum of the angles"
angle 1 + angle 2 + angle 3 = 2x-3 + .....+.....
Simplify the expression.
What do you get?
[..
(edited 7 years ago)
Original post by iamspiderman
I did:
2x-3 + x+4 + x+ 19
And simplified:
4x + 20
Is this right ?
2x-3 + x+4 + x+ 19
And simplified:
4x + 20
Is this right ?
Correct.
Original post by iamspiderman
I did:
2x-3 + x+4 + x+ 19
And simplified:
4x + 20
Is this right ?
2x-3 + x+4 + x+ 19
And simplified:
4x + 20
Is this right ?
Yes.
Now write the equation. The sum of the angles is 180 degrees so 4x+20=....
Solve that and then work out the smallest angle.
..
(edited 7 years ago)
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