Answer:
The answer should be 177.8 cm.
Step-by-step explanation:
Answer:

Step-by-step explanation:

hope this helps you.
Intersecting lines are lines that meet at some point while perpendicular lines are intersecting lines that makes a right angle at the point of intersection.
Two line can either be intersecting or perpendicular. It is not possible to have two line that is neither intersecting or parallel.
Sqrt of 125
10^2 +b^2= 15^2
100 +b^2=225
B^2=125
No perfect square for 125 so leave it in radical form
3x^4 + 2x^2 - 7x + 5...hope that helps