What is the circumference of a circle with a diameter of 23.4 inches? please hellp
2 answers:
Answer:
Assuming that is equivalent to 3.14, the circumference of the circle is 73.476 inches.
Step-by-step explanation:
The formula for the circumference of a circle is , or the diameter of a circle multiplied by
. Because the diameter is 23.4, that means the circumference would be 23.4 * 3.14 = 73.476 inches.
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Answer:
x = 27
Step-by-step explanation:
ΔBRD and ΔQCD are similar, hence the ratios of corresponding sides are equal, that is
=
note that BD = 26 + 39 = 65
substitute values into the ratio equation
=
( cross- multiply )
65x = 39(x + 18)
65x = 39x + 702 ( subtract 39x from both sides )
26x = 702 ( divide both sides by 26 )
x = 27