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pandasarecute53
15.01.2021 •
Mathematics
Pleasse help Tyler took 4 piano lessons last month. For each lesson, he memorized 2 major scales and x minor scales. Pls help
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Ответ:
the bottom right answer ♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡
Ответ:
27.85 feet
Step-by-step explanation:
There might be a more advanced/simpler way to do this.
Perimeter of the squared end (3 of the 4 sides of the square) = 15 feet. Perimeter of the flat part of the rounded end is also = 5 feet.
So all we need is the arc. And they tell you it's a 1/4 circle. So it's 1/4 the circumference of the circle.
We know that the radius of the circle is 5 feet, because that's part of the square.
Circumference = 2(pi)(r)
C = (2)(3.14)(5)
C = 31.4
Divide that by 1/4 for the perimeter/circumference of that 1/4 circle = 7.85
15 + 5 + 7.85 = 27.85 feet