The product of a nonzero rational number and an irrational number
2 answers:
Answer:
The product of a non-zero rational number and an irrational number is irrational.
Step-by-step explanation:
If you multiply any irrational number by the rational number zero, the result will be zero, which is rational.
However, the product of a non-zero rational number and an irrational number is irrational.
Example-
So, its irrational.
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The surface are of the right cone is 176 sq.units. Option A) is the correct answer.
<u>Step-by-step explanation</u>:
<u>step 1</u> :
Radius of the cone, <em>r = 4</em>
Height or length of the cone,<em> h = 10</em>
<u>step 2</u> :
Total surface area of right cone = πrh + πr^2
= (π4
10) + ( π
4^2)
= 40π + 16π
= 56 π = 563.14
= 176 sq.units