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MAT Question and answers rated A+ 2024/2025
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MAT Question and answers rated A+ 2024/2025 MAT-172 Unit 1 Ray - correct answer A part of a line, with one endpoint, that continues without end in one direction angle - correct answer two rays with a common endpoint An angle is in standard position if - correct answer - its vertex...

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  • October 15, 2024
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  • 2024/2025
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MAT-172 Unit 1
Ray - correct answer ✔A part of a line, with one endpoint, that continues
without end in one direction


angle - correct answer ✔two rays with a common endpoint


An angle is in standard position if - correct answer ✔- its vertex is at the
origin of a rectangular coordinate system


- its initial side lies along the positive x-axis


initial side - correct answer ✔the fixed ray of an angle


terminal side - correct answer ✔position after rotation


acute angle - correct answer ✔an angle that measures less than 90 degrees


right angle - correct answer ✔an angle that measures 90 degrees, one
quarter of a complete rotation


obtuse angle - correct answer ✔An angle that measures more than 90
degrees but less than 180 degrees


radian - correct answer ✔the measure of the central angle of a circle that
intercepts an arc equal in length to the radius of the circle

, arc - correct answer ✔Part of a circle connecting two points on the circle.


radian measure - correct answer ✔the length of the intercepted arc divided
by the circle's radius


Radius - correct answer ✔A straight line from the center to the circumference
of a circle or sphere.


radian measure of the central angle - correct answer ✔the cirlc'es
circumference/r


to convert degrees to radians - correct answer ✔multiply degrees by
πradians/180


convert radians to degrees - correct answer ✔multiply by 180/π


coterminal angles - correct answer ✔two angles in standard position that
have the same terminal side


the length of a circular arc - correct answer ✔S=rø


linear speed - correct answer ✔if a point is in motion on a circle of radius r
through an angle of Θ radians in time, then it's linear speed is v = s/t


angular speed - correct answer ✔where s is the arc length given by s=rΘ,
and its angular speed is w=Θ/t


linear speed in terms of angular speed - correct answer ✔v=rw

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