Question

You are asked to draw a triangle using three of the following angles: 0°, 30°, 45°, 55°, 60°, 80°, 90°, 105°. Which triangle cannot exist?
A)
30°, 60°, 90°
B)
45°, 55°, 80°
Eliminate
C)
30°, 45°, 105°
D)
30°, 45°, 55°

Answer 1

A triangle has to have an angle sum of 180 degrees.

Answer 2

yes @YesThisIsDog

Answer 3

So, take the angle sums (ie. 30,60, and 90) and add them together. If it does not equal 180, it cannot be a triangle.

Answer 4

A

Answer 5

ok let me see @blake57roger

Answer 6

@Blake, It is asking which triangle CANNOT exist. a 30, 60, 90 triangle is a special triangle. that answer is wrong.

Answer 7

Your answer is D

Answer 8

D