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(A) The correct matches are as follows:$1.$ The length of a minor arc $(l)$ is given by the formula $l = \frac{	heta}{360} 	imes 2\pi r = \frac{\pi

Vedclass · Accepted Answer

$(1-c), (2-d), (3-b), (4-a)$

Vedclass · Answer

(A) The correct matches are as follows:$1.$ The length of a minor arc $(l)$ is given by the formula $l = \frac{	heta}{360} 	imes 2\pi r = \frac{\pi r 	heta}{180}$. Thus,$1$ matches with $c$.$2.$ The area of a minor sector $(A)$ is given by the formula $A = \frac{	heta}{360} 	imes \pi r^{2}$. Thus,$2$ matches with $d$.$3.$ The area of a circle $(A)$ is given by the formula $A = \pi r^{2}$. Thus,$3$ matches with $b$.$4.$ The circumference of a circle $(C)$ is given by the formula $C = 2\pi r$. Thus,$4$ matches with $a$.Therefore,the correct matching is $(1-c), (2-d), (3-b), (4-a)$.

Part $I$	Part $II$
$1.$ Formula to find the length of a minor arc	$a.$ $C=2\pi r$
$2.$ Formula to find the area of a minor sector	$b.$ $A=\pi r^{2}$
$3.$ Formula to find the area of a circle	$c.$ $l=\frac{\pi r \theta}{180}$
$4.$ Formula to find the circumference of a circle	$d.$ $A=\frac{\pi r^{2} \theta}{360}$

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