Answer:
exterior angles:
144°and 36°
126° and 54°
90° and 90°
Step-by-step explanation:
we know that each angle in a triangle adds up to 180°.
so, 
2x+3x+5x=180
10x=180
x=180/10
x=18
the interior angles are:
2x=36°
3x=54°
5x=90°
and explanation is provided to find the exterior angles above.(sorry for the bad handwriting)
 
        
             
        
        
        
7×4=28 square bases in all the centimeters
        
             
        
        
        
 .6/1.0 = 6/10
3 6/10 or 3 3/5
        
             
        
        
        
The height of the right cone is 10.68 unit
<h3>What is Volume ?</h3>
Volume is defined as the space occupied by a three dimensional object.
Volume of a right cone is given  by
V = π r²h/3
C = 2 π r
r = 247/2 π 
 3 * 17287 =  π  r²h
 3 * 17287 =  π *(247/2 π )²h
h = 51861 *π *4/61009
h = 10.68 unit
Therefore the height of the right cone is 10.68 unit.
To know more about Volume
brainly.com/question/1578538
#SPJ1