Quiz 10-1: Intro to Circles, Central Angles & Arcs, Arc Lengths

Name a radius.

• QT or RT or PT

• QR or RP or TP

• TQ or PQ or QR

• TR or PQ or RP

Name a diameter.

• QS

• QR

• PS

• PQ

Name a chord that is not a diameter.

• PR or PS

• PQ

• RT

• QS

Name a central angle.

• QTR or RTQ or PTR

• QTP or PTQ or RTP

• TRP or QPT or TQR

• PRT or QRP or TPQ

Name a minor arc.

• QR or RP

• PQ or QP

• PR or RP

• QS or SQ

Name a major arc.

• QPS or QSR

• PQ

• PS

• QS

Name a semicircle.

• QPS or QSR

• PQ or QR

• PS or SR

• QS or PR

Find the area and circumference. Round to the nearest hundredth. Circle with radius 18 in.

• A= 1017.88 in²

  C = 113.10 in

• A=900.00 in²

  C = 100.00 in

• A=950.32 in²

  C = 120.00 in

• A=1100.00 in²

  C = 115.00 in

If m∠MPL = 63°, find each measure.

• 63°, b) 126°, d) 297°, e) 234°

• 63°, b) 117°, d) 243°, e) 198°

• 63°, b) 108°, d) 225°, e) 162°

• 63°, b) 135°, d) 270°, e) 207°

If m∠AD = (19x - 49)° and m∠CD = (5x + 37)°, find m∠CD.

• m∠CD = 68°

• m∠CD = 54°

• m∠CD = 80°

• m∠CD = 100°