The perimeter would be the sum of the side lengths of the figure. Therefore, from the figure the perimeter would be the sum of the rectangle and half of the circle. We calculate as follows:
Perimeter = 2(pi)r / 2 + (2w + 2l)
Perimeter = pi(6/2) + 2(3) + 2(6)
Perimeter = 27.4 mm
I do believe your answer is 12x2=24
Applying the trig formula: sin a = cos (90 - a)
cos (2x + 8) = sin (x + 37) = cos (90 - x - 37) = cos (53 - x)
Property of the cosine function -->
(
2
x
+
8
)
=
±
(
53
−
x
)
a. 2x + 8 = 53 - x
3x = 45
x
=
15
∘
b. 2x + 8 = - 53 + x
x
=
−
61
∘
For general answers, add
k
360
∘
Check by calculator.
x = 15 --> sin (x + 37) = sin 52 = 0.788
cos (2x + 8) = cos (38) = 0.788. Proved
x = - 61 --> sin (x + 37) = sin (- 24) = - sin 24 = - 0.407
cos (2x + 8) = cos (-122 + 8) = cos (- 114) = - 0.407. Proved
Okay, so out of 8 kids, we know that 6/8 are girls and 2/8 are boys. Its asking us what fraction of the kids are girls. The denominator (the bottom part of the fraction will be the amount of kids at the party, 8) and the top part, the numerator, will be 6 as there are 6 girls at the party of the 8 attendees.
So the fraction is 6/8. However we can reduce this by dividing both sides of the fraction by a common factor, 2!
So your final answer is <em>3/4.
</em><em>
Brainliest and heart if this helped you out
#Learnwithbrainly</em>
41/11
Simply use your calculator
3.727272....