
Here's the solution ~
As we know, we can calculate the circumference of a circle in terms of its diameter as :

where, c = circumference and d = diameter
And also, circumference of circle is terms of radius (r) is :

Now, let's move on to questions ~
<h3>First </h3>


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<h3>Second</h3><h3 /><h3 /><h3 /><h3>

</h3>

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<h3>Third</h3>


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<h3>Fourth</h3>



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<h3>Fifth </h3>



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<h3>Sixth</h3>



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Answer:
+) m∠1 = m∠2 (vertical angles theorem)
+) m∠2 and ∠3 are supplementary (because a//b)
+)m∠3 = m∠4 (alternate interior angles theorem, c//d)
=> ∠1 and ∠4 are supplementary (substitution property of equality)
Step-by-step explanation:
Answer:
12/20 and 5/20
Step-by-step explanation:
for 3/5is multiplied with 4 both numerator and denominator
as known as 1/4 will multiplied by 5/5
You should do 1.0 divided by 7 and the answer would be 7
The answer is 15 because you multiply 5×3=15