What shape best describes the cross-section cut perpendicular to the base of a right rectangular prism? O Parallelogram Trapezoi
d O Rectangle O Rhombus
1 answer:
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Answer:
(D)
Step-by-step explanation:
Given:
To find: Simplify the given expression
Solution: Simplyfying, we get,
Therefore, can be written as
Answer:
–90° and 630°
Step-by-step explanation:
The described angle will be -90° plus any integer multiple of 360°. Possible values for the angle are ...
-90° and 630°
_____
Angles are conventionally measured counterclockwise from the positive x-axis. The angle shown in the attachment is measured clockwise, so represents a <em>negative</em> 90° angle.
