This math topic explores the relationship between the diameter and radius of a circle. The problems revolve around determining properties of the diameter given the radius, an essential concept in geometry. Each question proposes different scenarios where learners must identify how the length of the diameter compares or combines with the length of the radius, reinforcing fundamental geometry principles. Learners are required to apply knowledge of circle properties, specifically understanding that the diameter is typically twice the radius. This topic is part of an introductory geometry unit that helps students build foundational geometry skills.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Circles - Rule to Find Diameter from Radius
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
What is known about diameter ZXN given radius XP
Circles - Rule to Find Diameter from Radius Worksheet
| Math worksheet on 'Circles - Rule to Find Diameter from Radius (Level 2)'. Part of a broader unit on 'Geometry - Intermediate - Intro' Learn online: app.mobius.academy/math/units/geometry_intermediate_intro/ |
| What is known about diameter XBD given radius BN |
| Nothing, XBD and BN are not related |
| XBD is twice BN |
| XBD and BN add to 180 |
| XBD is half of BN |
| XBD and BN add to 90 |
| XBD and BN add to 360 |
| What is known about diameter PZR given radius ZC |
| Nothing, PZR and ZC are not related |
| PZR is half of ZC |
| PZR is twice ZC |
| PZR and ZC add to 180 |
| PZR and ZC add to 360 |
| PZR is the same as ZC |
| What is known about diameter MXY given radius XB |
| MXY and XB add to 90 |
| MXY and XB add to 360 |
| MXY is half of XB |
| MXY is the same as XB |
| MXY is twice XB |
| Nothing, MXY and XB are not related |
| What is known about diameter PDC given radius DN |
| PDC and DN add to 90 |
| PDC and DN add to 180 |
| PDC is half of DN |
| PDC is the same as DN |
| PDC is twice DN |
| PDC and DN add to 360 |
| What is known about diameter XYD given radius YP |
| XYD is the same as YP |
| XYD is twice YP |
| XYD and YP add to 360 |
| XYD is half of YP |
| XYD and YP add to 90 |
| XYD and YP add to 180 |
| What is known about diameter YNC given radius NX |
| YNC is half of NX |
| YNC is twice NX |
| Nothing, YNC and NX are not related |
| YNC and NX add to 180 |
| YNC and NX add to 360 |
| YNC is the same as NX |
| What is known about diameter YDC given radius DM |
| YDC and DM add to 180 |
| YDC is twice DM |
| YDC is half of DM |
| YDC and DM add to 360 |
| Nothing, YDC and DM are not related |
| YDC is the same as DM |