All Circles Are Similar
Precalculus · Flashcards
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QUESTION State the Law of Sines for triangle ABC using sides a,b,c opposite angles A,B,C. QUESTION Find A if sinA=21 and A is acute. QUESTION Use the Law of Cosines: find c if a=5, b=5, and included angle C=60∘. Tap to flip before you grade ANSWER c=52+52−2⋅5⋅5cos60∘=5. Isosceles with 60° angle forms equilateral triangle. Swipe → got it · swipe ← still learning