Find the Center and the Radius of the Circle $$7 x ^ { 2 } + 7 y ^ { 2 } = 49$$

question 72

Multiple Choice

Find the center and the radius of the circle.
- $$7 x ^ { 2 } + 7 y ^ { 2 } = 49$$

• A) center \(( 7,7 )\), radius \(= \sqrt { 7 }\)
• B) center \(( 0,0 )\), radius \(= 7\)
• C) center \(( 0,0 )\), radius \(= \sqrt { 7 }\)
• D) center \(( 0,0 )\), radius \(= 49\)

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Definitions:

Tolerance Zones

Areas between the maximum and minimum permissible limits within which a size or geometric characteristic is considered acceptable.

Perpendicularity

A geometric tolerance that specifies how far a feature can deviate from a perfect 90-degree angle to its referenced feature or datum.

Datum-Target Symbol

A graphical symbol used on engineering drawings to specify the exact points, lines, or areas on a part that a Datum is established from for measurement or tooling purposes.

Target Area Size

The specified dimensions or area where a particular operation, such as welding or machining, must be performed.