find the circumference of the circle pictured above.

use 3.14 for $\pi$

Question

find the circumference of the circle pictured above.

use 3.14 for $\pi$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Circle Diameter and Radius" ], "new_concepts": [ "Circumference of a Circle" ], "current_concepts": [ "Circle Diameter and Radius", "Circumference of a Circle" ] } ## Identify the given values Using the *Circle Diameter and Radius* knowledge point $$ \begin{aligned} &r = 7\text{ cm}\ &\pi \approx 3.14 \end{aligned} $$ ## Apply the circumference formula The formula for the circumference of a circle is: $$ C = 2\pi r $$ ## Calculate the final value Substitute the values into the formula: $$ \begin{aligned} C &= 2 \times 3.14 \times 7\ C &= 6.28 \times 7\ C &= 43.96\text{ cm} \end{aligned} $$ Find the circumference of the circle pictured above. Use 3.14 for $\pi$ 43.96 cm { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Geometry", "Circumference of a Circle" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the given values

Apply the circumference formula

Calculate the final value

Answer: