If △PQRis an isosceles triangle with PQ ¯¯¯¯¯¯¯¯¯ ≅ QR ¯¯¯¯¯¯¯¯¯ , which equation gives the m∠Q in terms of the m∠P ? m∠Q=2(m∠P)−60∘
B. m∠Q=180∘−2(m∠P)
C. m∠Q=180∘−m∠P
D. m∠Q=m∠P−30∘

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

I’m really confused and need your assist me with this question i’ve never been taught

What is the radius of the cone in the diagram? round your answer to the nearest whole number