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2 answers:
STANDARD FORM:
- (x − h)² + (y − k)² = r², where (x, y) is any point on the circle, (h, k) is the center, and r is the radius.
ANSWER:
We are given r, therefore, we must substitute the given point and the center into the standard form.
So, The equation of the circle is:
- (x − 3)² + (y + 2)² = (5)²
- (x – 3)² + (y + 2)² = 25.
NOTE: See picture attached.
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Answer:
Answer in terms of a trigonometric function :
Answer in figures
Step-by-step explanation:
Consider the sketch attached below to better understand the problem.
Let x be the distance between point B and the base of the water tower.
From equation 2,
substituting the value of x into equation 1, we get
cross multiplying,
The height of the tower is in terms of the trig function "Tan"
The equation can simply be evaluated to get the answer in figures since the angles are given in the question
