SOLUTION: In a game of soccer, a goal kicker is to attempt a penalty goal. The ball is placed 28 metres from one upright and 26m from the other. The goal posts are 4m apart. Within what angl

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Question 1121169: In a game of soccer, a goal kicker is to attempt a penalty goal. The ball is placed 28 metres from one upright and 26m from the other. The goal posts are 4m apart. Within what angle must the player kick the ball to score the goal?
Answer by Alan3354(69443) About Me  (Show Source):
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In a game of soccer, a goal kicker is to attempt a penalty goal. The ball is placed 28 metres from one upright and 26m from the other. The goal posts are 4m apart. Within what angle must the player kick the ball to score the goal?
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Ignoring the height of the ball,
a = 28
b = 26
c = 4
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Use the Cosine Law to find angle C, opposite side c.