The ratio of the areas of $\odot( O , 6)$ and $\odot( P , 12)$ is ...........
The ratio of the areas of $\odot( O , 6)$ and $\odot( P , 12)$ is ...........
- A
$1:6$
- B
$1:3$
- C
$6:1$
- D
$1:4$
Similar Questions
As shown in the diagram, $\overline{ OA }$ and $\overline{O B}$ are two radii of $\odot( O , 35 cm )$ perpendicular to each other. If $OD =12\, cm ,$ find
the area of the shaded region. (in $cm^2$)
As shown in the diagram, $\overline{ OA }$ and $\overline{O B}$ are two radii of $\odot( O , 35 cm )$ perpendicular to each other. If $OD =12\, cm ,$ find
the area of the shaded region. (in $cm^2$)
While calculating the area of a circle, its radius was taken to be $6\,cm$ instead of $5\,cm .$ The calculated area is $\ldots \ldots \ldots . . \%$ more than the actual area.
While calculating the area of a circle, its radius was taken to be $6\,cm$ instead of $5\,cm .$ The calculated area is $\ldots \ldots \ldots . . \%$ more than the actual area.
The diameter of a circle with area $154\,cm ^{2}$ is $\ldots \ldots \ldots . cm$.
The diameter of a circle with area $154\,cm ^{2}$ is $\ldots \ldots \ldots . cm$.
In a circle with radius $21\,cm ,$ the perimeter of a minor sector is $64\,cm .$ Then. the length of the arc of that sector is $\ldots \ldots \ldots . . cm$.
In a circle with radius $21\,cm ,$ the perimeter of a minor sector is $64\,cm .$ Then. the length of the arc of that sector is $\ldots \ldots \ldots . . cm$.
With respect to the given diagram, which of the following correctly matches the information in Part $I$ and Part $II$ ?
Part $I$
Part $II$
$1.$ $\overline{ OA } \cup \overline{ OB } \cup \widehat{ APB }$
$a.$ Major sector
$2.$ $\overline{ AB } \cup \widehat{ AQB }$
$b.$ Minor segment
$3.$ $\overline{ AB } \cup \widehat{ APB }$
$c.$ Minor sector
$4.$ $\overline{ OA } \cup \overline{ OB } \cup \widehat{ AQB }$
$d.$ Major segment
With respect to the given diagram, which of the following correctly matches the information in Part $I$ and Part $II$ ?
| Part $I$ | Part $II$ |
| $1.$ $\overline{ OA } \cup \overline{ OB } \cup \widehat{ APB }$ | $a.$ Major sector |
| $2.$ $\overline{ AB } \cup \widehat{ AQB }$ | $b.$ Minor segment |
| $3.$ $\overline{ AB } \cup \widehat{ APB }$ | $c.$ Minor sector |
| $4.$ $\overline{ OA } \cup \overline{ OB } \cup \widehat{ AQB }$ | $d.$ Major segment |