In the figure shown, D is the center of the circle whose area is $169\pi$. If the area of triangle ABC is 120, what is the perimeter of ABC ? ? 45 ? 50 ? 52 ? 58 ? 60
Added by Michael C.
Close
Step 1
Since D is the center of the circle, angle BDC is half the measure of arc BC. So, angle BDC = 697/2 = 348.5. Show more…
Show all steps
Your feedback will help us improve your experience
Erika Bustos and 64 other Geometry educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
All sides of ┳ABC are tangent to circle P. What is the perimeter of the triangle below? units
Shubham K.
Given: $\triangle \mathrm{ABC}$ is isosceles, with $$ \begin{array}{l} \overline{\mathrm{AB}} \cong \overline{\mathrm{AC}} \\ \odot \mathrm{E}, \overline{\mathrm{AD}} \perp \overline{\mathrm{BC}}, \overline{\mathrm{EF}} \perp \overline{\mathrm{AC}} \\ \mathrm{AF}=6, \mathrm{ED}=1 \end{array} $$ Find: a The radius of the circle b The perimeter of $\triangle \mathrm{ABC}$
Circles
Congruent Chords
AB, BC, and CA are tangents to circle O. AD = 5, AC = 8, and BE = 4. Find the perimeter of triangle ABC.
Adi S.
Recommended Textbooks
Geometry A Common Core Curriculum
Geometry
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD