A professional quarterback passed for 4,383 yards in 16 games in one football season. He wants to know his passing yardage per g
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The length of the pole is 19.15 feet.
<h3>What is the angle of elevation?</h3>The angle of elevation is the angle created when an observer looks at an object placed above its height in relation to the eye level or the horizontal line. An angle of elevation is, for example, the angle created between the line of sight and the horizontal line when a man on Earth observes the Sun.
Given:
Angle made by straight road = 15°
Angle of elevation of the sun = 57°
Length of the shadow = 75 feet
∠ACB = 90° - 57° = 33°
∠CAB = 57° - 15° = 42°
Using Sine Law to find BC i.e.length of the pole.
BC ≅ 19.15 feet (to the nearest hundredth.)
Hence, the approximate length of the pole is 19.15 feet.
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Answer:
solution given:
let's see only in a right-angled triangle Δ ACD.
AC=3 units
AD=5 units
since Δ ACD is a right-angled triangle. It satisfies Pythagoras law
25=9+
=25-9=16
Now
Area of rectangle Δ ACD=
similarly,
since AB=CE=2.4 units
Δ ACE is a right-angled triangle. It satisfies Pythagoras law.
now
area of trapezoid=area ofΔACD+Area of ΔABC
=6+
