As we know,
In a triangle, the sum of lengths of two side is greater than the third side.
Answer = 15m
Answer:
5x - 13 = x+19
5x-x=19+13
4x=32
x=32/4
x=8
Cb=5x-13
=5×8-3
=40-3
CB=37
AB=X+19
=8+19
AB=27
30°
Step-by-step explanation:
20 sides.
The external angles of a polygon sum to 360 degrees.
So it's 360/18 = 20.
One hour, 11 minutes, 32 seconds