Yes it is. Input the numbers into the pythagorean theorem,

and if they equal each other it is a right triangle.
Step-by-step explanation:
The formula for calculating a circle's circumference is πd, where π is an irrational number (3.14....) and d is the diameter of the circle.
In the circle with diameter 19.5cm, the circumference is around 3.14 * 19.5cm = 61.23cm. (A)
Can you tell me by how many dollars has the price risen
Answer:
any one need a gf??
Step-by-step explanation: HELLO here she is waiting for u may decline but hey worth a shot.... And id.k the answer
Answer:
We don't really have the whole question, but to convert to a decimal, you should divide the numerator by the denominator.
Example:
Convert 5/8 to a decimal.
5 divided by 8 = 0.625