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almond37 [142]
3 years ago
8

Which is the correct formula to find the area of triangle AED?

Mathematics
1 answer:
dmitriy555 [2]3 years ago
6 0
Area of a triangle = 1/2(B*H)
B = Base
Height = H

So if the height was 5 and the base was 10, it would be half of 50 which is 25.
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While standing on top of a hill at a ski resort, Alexa Latour spots the ski lodge below. If the vertical height of the hill is 1
alexira [117]

Answer: The distance to the lodge is 1514 ft

Step-by-step explanation: Please refer to the diagram attached.

The point where Alexa is standing at the top of the hill is marked as point A. The vertical height of the hill is from point A to point B which has been given as 1209 ft. Also, when Alexa looks down, she does that at an angle of depression measuring 53 degrees. Therefore while looking at the lodge, she forms an angle between her line of sight and the height of the hill. That angle is calculated as 90 degrees minus 53 degrees and that equals 37 degrees (as shown in the diagram). Note that her line of sight is AC since the ski lodge is at point C. Therefore the distance she must ski in order to get to point C (which shall be represented by X) shall be calculated using trigonometric ratios.

Note that we have a reference angle which is 37. We also have an adjacent which is 1209 (the side that lies between the reference angle and the right angle). And then we want to calculate the hypotenuse, yet unknown, (which is the side facing right angle). Since we have an adjacent, a hypotenuse and the reference angle, X can be calculated as

Cos A = Adjacent/Hypotenuse

Cos A = AB/AC

Cos 37 = 1209/X

By cross multiplication we now have X = 1209/Cos 37

By using our calculator or checking the table of values, Cos 37 = 0.7986

X = 1209/0.7986

X = 1513.899

Approximated to the nearest feet,

X = 1514 ft

8 0
3 years ago
Compute, in centimeters and in meters, the height of a basketball player who is 6 ft 6 in. tall.
Serggg [28]
Centimeters - 201.168
Meter - 2.01168
5 0
3 years ago
Read 2 more answers
Miller Nolan
alisha [4.7K]
The answer is $40 dollars
4 0
2 years ago
The perimeter of a rectangle is given by the formula P = 2(l + w), what is the value of P if l = 2 cm and w = 1/2 cm?
Sonja [21]

Answer:

\large\boxed{C)\ 5cm}

Step-by-step explanation:

P=2(l+w)\\\\\text{Put}\ l=2cm\ \text{and}\ w=\dfrac{1}{2}cm\ \text{to the formula of the perimeter:}\\\\P=2\left(2+\dfrac{1}{2}\right)=(2)(2)+(2)\left(\dfrac{1}{2}\right)=4+1=5\ cm

8 0
3 years ago
Your favorite local college football team, the UCF Knights, won 35 of out 39 games over a period of 4 years. If they keep their
Basile [38]

Answer:

They will win 70 games

Step-by-step explanation:

if for 39 games they won 35 of them,

for 78 they will win X

39*X= 78* 35

39X= 2730

X= 70

6 0
3 years ago
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