Kuta Software - Infinite Geometry Name___________________________________ Circumference and Area of Circles Date________________ Period____ Find the area of each. Use your calculator's value of πππ. Round your answer to the nearest tenth. 1) 2) 12 in 14 km 3) 4) 11 cm 9 m 5) radius = 2.6 in 6) radius = 34.1 in 7) radius = 13.2 km 8) radius = 29.9 km Find the circumference of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth. 9) 10) 8.3 yd 8 mi ©J R2i0Q1Z2B 7KduetFaK zStotf4tTw5aCrrev ZLRLnCl.n t RAOlMlT 2r OiIg0hHtEsz CrqeIs5eVrLvrerdK.Y I TM0aqdDe5 wwzihtHh7 zIRnkf3itnai8txeK BGZenoOmgeGttriyn.X -1- Worksheet by Kuta Software LLC 11) 12) 4.2 yd 6.2 mi 13) radius = 5.2 ft 14) radius = 11.1 ft 15) radius = 9.5 in 16) radius = 9.3 in Find the radius of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth. 17) circumference = 62.8 mi 18) circumference = 69.1 yd 19) circumference = 12.6 yd 20) circumference = 25.1 ft Find the diameter of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth. 21) area = 201.1 in² 22) area = 78.5 ft² Find the circumference of each circle. 23) area = 64 π mi² 24) area = 16 π in² Find the area of each. 25) circumference = 6π yd 26) circumference = 22 π in Critical thinking question: 27) Find the radius of a circle so that its area and circumference have the same value. ©W B2D0G1d24 nKju8tXaY OSzo7f3ttw3a4rQe6 fL9LHCR.B G DAclqlO BriiOgHh2tRsG brZebseeErBvoeNdP.6 D IMyakdkeJ PwOibt0hY iIpnyfrilnyiGtret oGBeNo1m6eLtirryh.t -2- Worksheet by Kuta Software LLC Kuta Software - Infinite Geometry Name___________________________________ Circumference and Area of Circles Date________________ Period____ Find the area of each. Use your calculator's value of πππ. Round your answer to the nearest tenth. 1) 2) 12 in 14 km 452.4 in² 615.8 km² 3) 4) 11 cm 9 m 380.1 cm² 254.5 m² 5) radius = 2.6 in 6) radius = 34.1 in 21.2 in² 3653.1 in² 7) radius = 13.2 km 8) radius = 29.9 km 547.4 km² 2808.6 km² Find the circumference of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth. 9) 10) 8.3 yd 8 mi 50.3 mi 52.2 yd ©G 82A0R1z2e 2KOuTtIaI UStoSfDtYwxaDrFeo uLFLRCr.C X gAMlslS PrziTg9hptOsg RrCe5saeBr5v2evd3.P 3 bMrapdieW owmiYtyhD bI PnFf0iunQintxex WGGe3oWmVeFtvrJyH.l -1- Worksheet by Kuta Software LLC 11) 12) 4.2 yd 6.2 mi 26.4 yd 39 mi 13) radius = 5.2 ft 14) radius = 11.1 ft 32.7 ft 69.7 ft 15) radius = 9.5 in 16) radius = 9.3 in 59.7 in 58.4 in Find the radius of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth. 17) circumference = 62.8 mi 18) circumference = 69.1 yd 10 mi 11 yd 19) circumference = 12.6 yd 20) circumference = 25.1 ft 2 yd 4 ft Find the diameter of each circle. Use your calculator's value of πππ. Round your answer to the nearest tenth. 21) area = 201.1 in² 22) area = 78.5 ft² 16 in 10 ft Find the circumference of each circle. 23) area = 64 π mi² 24) area = 16 π in² 16 π mi 8π in Find the area of each. 25) circumference = 6π yd 26) circumference = 22 π in 9π yd² 121 π in² Critical thinking question: 27) Find the radius of a circle so that its area and circumference have the same value. r = 2 Create your own worksheets like this one with Infinite Geometry . Free trial available at KutaSoftware.com ©f Y2S0C162S HKkuFt6aD fSRoIfptnwtamr ieJ CLKLACo.T 1 tA6lUlW crEiXgahmtjsl r 1ebsBeTrLv1eKdy.C 3 FMvacdhe3 6wDiQt4hW CIVnCfhiSn6iOtxe8 qGkeno7mWeqt5rPyo.P -2- Worksheet by Kuta Software LLC.