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Find the length of QS.P530RNote: Use either the pi button on your calculator or 3.14 for pi. Round to the nearest tenth.

Find The Length Of QSP530RNote Use Either The Pi Button On Your Calculator Or 314 For Pi Round To The Nearest Tenth class=

Sagot :

arc QS in degrees is 2 x angle QRS

so angle substended at the centre of the circle by QS is 60 degrees

now,

theta/360 x 2pi x r

theta is 60 degrees

radius of the circle is 5 (from the center of P)

so,

60/360 x 2(3.14) x 5

60/360 x 6.28 x 5

= 0.1666 x 31.4

= 5.23124

QS = 5 degrees to the nearest tenth