Question

plz answer me 4th or fifth answer​

Answer 1

Answer:

5) the angles are 60,40,80

Step-by-step explanation:

sum of angles in a triangle =180

3x+2x+4x=180

9x=180

x=20

therefore

3x=3(20)=60

2x=2(20)=40

4x=4(20)=80

Hope this helps you

And sorry for not answering 4th question

Answer 2

Answer:

An altitude of a triangle is the perpendicular segment from a vertex of a triangle to the opposite side (or the line containing the opposite side). An altitude of a triangle can be a side or may lie outside the triangle.