DAE MATH-113

Applied Mathematics-I

Chapter 13 : Area of Circle

DAE Common Technologies | First Year

Multiple Choice Questions

Chapter:13 (Area of Circle)

Question 1:

Area of a circle whose radius is 'a' cm is:

\(π{r^2}\) \(π{a^2}\) \(πa\) \({\frac{π}{2}}{a^2}\)

Question 2:

Circumference of a circle whose radius is \(\frac{1}{2}\) cm is equal to

\(π\) 2\(πr\) \(\frac{πr}{2}\) \(\frac{r}{2}\)

Question 3:

Area of a sector of \(60^0\) in a circle of radius 6 cm is:

6\(π\) 6\({π}^2\) 36\(π\) 3\(π\)

Question 4:

The space enclosed between two concentric circles is called

cone ellipse annulus none of these

Question 5:

Arc of circle with diameter 'd' is:

\({\frac{π}{2}}{r^2}\) \({\frac{π}{2}}{d^2}\) \({\frac{π}{4}}{d^2}\) None of these

Question 6:

If R and r denote the radii of the outer and inner circles, then Area of annulus (ring) is:

\(π({R^2}-{r^2})\) \({\frac{π}{2}}{({R^2}-{r^2})}\) \(π({R^2}+{r^2})\) \(({R^2}-{r^2})\)

Question 7:

If 2a and 2b are the major and minor axis of the ellipse, then area of ellipse is:

\(ab\) \(πab\) \({\frac{π}{2}}ab\) \({{π}^2}ab\)

Question 8:

If 2a and 2b are the major and minor axis of the ellipse, the circumference of the ellipse is:

\(π{(a+b)}\) \(π{(a-b)}\) \(π{(a+b)^2}\) \({{π}^2}(a-b)\)

Question 9:

If the area of circle is , then radius r is:

4 2 16 8

Question 10:

If x and y the major and minor axis of the ellipse then area of ellipse is:

\(\frac{πxy}{2}\) \(\frac{πxy}{4}\) \(πxy\) \({{π}^2}xy\)

NOTE
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INSTRUCTOR
MUHAMMAD BIN JAMEEL
BSC ENGG. CIVIL

PBTE | DAE | MATH-113 APPLIED MATHEMATICS-I | MCQs | Chapter : 13 Area of Circle