$\"\"$

The base of a right triangle is $\"\"$ mts.

The radius of a circle is $\"\"$ mts.

(a)

The area of triangle $\"\"$ .

The area of sector $\"\"$ .

The area of shaded region = area of triangle - area of sector.

The area of shaded region $\"\"$ .

In the triangle,

$\"\"$

$\"\"$ .

Substitute the values in the function.

$\"\"$

Domain of $\"\"$ is $\"\"$ . $\"\"$

(b)Graph the function $\"\"$ .

$\"\"$

Observe the graph:

Complete the table.

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$

$\"\"$

As $\"\"$ tends to $\"\"$ from left hand side, the function approaches to $\"\"$ . $\"\"$ .

$\"\"$

(a) Domain of $\"\"$ , Domain: $\"\"$ .

(b)

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$