# Pythagorean Theorem and Applications Question

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## Grade 10 Pythagorean Theorem and Applications CCSS: HSG-SRT.C.8

- 2.4 cm
- 4.0 cm
- 8.0 cm
- 16.2 cm

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**11** tests or worksheets.

Type: *Multiple-Choice*

Category: *Pythagorean Theorem and Applications*

Level: *Grade 10*

Standards:
*HSG-SRT.C.8*

Author: *nsharp1*

Last Modified: *4 months ago*

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In the circle pictured, [math]O[/math] is the center of the circle and [math]bar{AD}[/math] is tangent to the circle. If [math]AD = 5 \ "cm"[/math] and [math]DO = 6.4 \ "cm"[/math], what is the length of the diameter of the circle, rounded to one decimal place? Hint: A line tangent to a circle is perpendicular to the radius of the circle at that point.

- 2.4 cm
- 4.0 cm
- 8.0 cm
- 16.2 cm

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