sunny644
11.07.2019 •
Mathematics
Find the radian measure of the central angle of circle with radius 1 yards that intercepts an arc of length 4 yards.
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Ответ:
The circumference of the circle is given by pi diameter so we have pi*2 for 1 circumference . the portion of 2*pi circumference for the whole circle for this arc is (4/2*pi).
The total angular measure of the circle is also 2*pi(or 360 degree)
So, we the measure radian of the angle is ((4/(2*pi))*(2*pi)
= 4 radians
Ответ:
10
Step-by-step explanation:
"three times r" = 3r
"three times r minus ten" = 3r - 10
"product of 5 and the difference of three times r minus ten"
= 5 (3r - 10)
given that r = 4,
the expression becomes
5 (3r - 10)
= 5 [3(4) - 10]
= 5 [12 - 10]
= 5 (2)
= 10