(08.02)Which of the following graphs best represents the solution to the pair of equations below? y = x + 1 y = −x − 1 A coordin
ate plane is shown with two lines graphed. One line passes through the y axis at 1 and the x axis at 1. The other line passes through the y axis at 1 and the x axis at negative 1. The lines intersect at 0 comma 1. A coordinate plane is shown with two lines graphed. One line passes through the y axis at 1 and the x axis at negative 1. The other line passes through the y axis at negative 1 and the x axis at negative 1. The lies intersect at negative 1 and 0. A coordinate plane is shown with two lines graphed. One line passes through the y axis at negative 1 and the x axis at negative 1. The other line passes through the y axis at negative 1 and the x axis at 1. The lines intersect at 0 comma negative 1. A coordinate plane is shown with two lines graphed. One line passes through the y axis at negative 1 and the x axis at 1. The other line passes through the y axis at 1 and the x axis at 1. The lines intersect at 1 comma 0.
1 answer:
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Answer:
m∠A ≈ 39.865°
Step-by-step explanation:
C² = 16² + 15² - 2 × 16 × 15 × cos (97°)
=> C = 23.22708085
sin (97°)/23.22708085 = sin A/15
=> sin A = sin (97°) × 15/23.22708085
=> A = (sin (97°) × 15/23.22708085)
=> A ≈ 39.865