Answer:
= 
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given that

= 
= 
= 
= 
Answer:
<em>90 degrees</em>
<em>90 degreesPerpendicular lines are lines that intersect at a <u>right (90 degrees) angle.</u></em>
Answer:
58
Step-by-step explanation:
58.58 - 0.58 = 58
d or c________________________
Step-by-step explanation:
vvv.