K^8 • K^9 = K^(8+9) = K^17
Use the Pythagorean theorem
a^2 + b^2 = c^2
a^2 + 15^2 = 25^2
a^2 + 225 = 625
a^2 = 400
a = 20
Answer: 20 cm
Hope this helps!!
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Answer:
A denominator of 15
Step-by-step explanation:
3 and 5 both go into 15, 4/5 = 12/15 and 2/3=10/15
By definition, the number 
is the ratio between the circumference and the diameter:
This implies that
And so your circumference is 
