The striped wall and the floor intersect at a 90 degrees angle since they are perpendicular.
<h3>What is an
angle?</h3>
An angle is formed when two or more lines intersect at a point. Types of angles are<em> acute, obtuse, and right angled</em>.
Two lines are said to be perpendicular if there is a 90 degrees angle between them.
The striped wall and the floor intersect at a 90 degrees angle since they are perpendicular.
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Answer:
4,0
Step-by-step explanation:
Answer:
n = 4
Step-by-step explanation:
36 = 13n - 4n
<=> 36 = (13-4).n
<=> 36 = 9n
<=> n = 36 / 9
<=> n = 4
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Angles in a triangle always add up to 180 degrees
Here, we add up all the angles given to equal it to 180 degrees:
X + X + 10 + X + 5 = 180
Collect like terms -> 3X + 10 + 5 = 180
Add the whole numbers -> 3X + 15 = 180
Take 15 from to the other side (then make it negative) to isolate the X:
3X = 180 - 15
The subtract -> 3X = 165
Take 3 over to the other side (and it it should divide 165) and isolate the X -> X = 165/3
Finally, X = 55
Now wherever you see X in the triangle, replace it with 55.
With that, the top angle = 55 + 10 = 65 degrees
The bottom left angle = 55 + 5 = 60 degrees
The bottom right angle = 55 degrees
