A normal line is a line that is perpendicular to another line, curve or surface. Give an everyday example of a normal line to ea
ch of the following: another line, a circle, a plane.
2 answers:
Answer:
a) A cross b) A stool c) One foot table
Step-by-step explanation:
Hi there!
Check the pictures below for better visualizing.
a) Cross
The figure of a cross shows clearly one normal line perpendicular to another perpendicular one. They cross each other.
b) Circle
A stool has a normal line perpendicular to the ground.
c) One foot table
In this Table, we have a normal line perpendicular to the ground and its top.
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The value of the angle R in the right triangle PQR is sin⁻¹ 6 / 8
The situation forms a right angle triangle.
<h3>How to find an angle in a right triangle?</h3>The angle R can be found as follows:
using trigonometric ratios,
sin R = opposite / hypotenuse
Therefore,
opposite sides = 6
hypotenuse = 8
sin R = 6 / 8
R = sin⁻¹ 6 / 8
learn more on right triangle here: brainly.com/question/6322314
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Answer:
Step-by-step explanation:
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Where r = 4.7 cm
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