Concept explainers
Fill in the blank with the definition for each word or phrase.
To fill: The blank space with the definition of the word, “Right angle”: ______.
Answer to Problem 1RP
Solution:
A right angle is formed when two rays join or intersect at an angle of
Explanation of Solution
A ray is a line with a fixed starting point, which extends indefinitely in a particular direction. Two rays form an angle when the starting points of the rays meet at a common point called the vertex. The angle of the opening formed by the two rays is measured in degrees.
The following diagram shows a right angle:
A right angle has a measure of
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