What is the arc of RC and CBR ?

Given:

m∠CDR = 85°

To find:

The length of arc RC and arc CBR.

Solution:

The measure of the central angle is congruent to the measure of the intercepted arc.

⇒ m∠CDR = m(ar RC)

⇒ m(ar RC) = 85°

Complete angle of circle = 360°

⇒ m(ar RC) + m(ar CBR) = 360°

⇒ 85° + m(ar CBR) = 360°

Subtract 85° from both sides.

⇒ 85° + m(ar CBR) - 85° = 360° - 85°

⇒ m(ar CBR) = 275°

The measure of arc RC is 85°.

The measure of arc CBR is 275°.

whatare you sayig

step-by-step explanation:

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40