saltyclamp
19.08.2019 •
Mathematics
What is the ninth triangular number?
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Ответ:
Ответ:
Area of the circle is 907.46cm²≈900cm²
Step-by-step explanation:
A=πr²
as in the question it is given that radius of the circle is r=17cm and π is equal to 3.14
putting values
A=(3.14)×(17cm)²
A=3.14×289cm²
Area of the circle is 907.46cm²≈900cm²
hope it will help :)