⏩SOLVED:Solve the triangle A B C, given a=525, c=421, and A=130^∘…
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VIDEO ANSWER: Solve the triangle A B C, given a=525, c=421, and A=130^{\circ} 50^{\prime}. Refer to Fig. 31-9. Since A is obtuse and a>c, there is one solution. For C: \quad \sin C=\frac{c \sin A}{a}=\frac{421 \sin
Solve the triangle A B C, given a=525, c=421, and A=130^∘ 50^'. Refer to Fig. 31-9. Since A is obtuse and a>c, there is one solution. For C: sinC=(c sinA)/(a)=(421 sin130^∘ 50^')/(525)=(421(0.7566))/(525)=0.6067 and C=37^∘ 20^' For B : B=180^∘-(C+A)=11^∘ 50^' For b : b=(a sinB)/(sinA)=(525 sin11^∘ 50^')/(sin130^∘ 50^')=(525(0.2051))/(0.7566)=142 The required parts are C=37^∘ 20^', B=11^∘ 50^', and b=142. Fig. 31-9 (FIGURE CAN'T COPY)
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Solve the triangle A B C, given a=525, c=421, and A=130^∘ 50^'. Refer to Fig. 31-9. Since A is obtuse and a>c, there is one solution. For C: sinC=(c sinA)/(a)=(421 sin130^∘ 50^')/(525)=(421(0.7566))/(525)=0.6067 and C=37^∘ 20^' For B : B=180^∘-(C+A)=11^∘ 50^' For b : b=(a sinB)/(sinA)=(525 sin11^∘ 50^')/(sin130^∘ 50^')=(525(0.2051))/(0.7566)=142 The required parts are C=37^∘ 20^', B=11^∘ 50^', and b=142. Fig. 31-9 (FIGURE CAN'T COPY)
Numerade is a venture-backed, high-growth education technology startup based in Pasadena. We are singularly focused on creating exceptional video and interactive content experiences for education making the knowledge and skills of world class educators widely accessible and affordable to student audiences of all backgrounds. Our mission is to close the educational opportunity gap by unlocking and democratizing access to extraordinary educators and the content they have to offer.
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