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timama [110]
2 years ago
15

WILL MAKE BRAINLIEST!! What type of angle is angle A?

Mathematics
2 answers:
morpeh [17]2 years ago
6 0

Answer:

Step-by-step explanation:

Obtuse, greater than 90 degrees

Scorpion4ik [409]2 years ago
5 0

Answer:

It should be an obtuse angle

Step-by-step explanation:

Well, it just is

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What is x and y equal in: -2X-y=3 and x+2y=4 (find x and y using elimination)
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3 years ago
The price of one gallon of milk has increased from $3.24 to $4.05. What us the percentage in increase?
dalvyx [7]
The percentage increase is 25%


8 0
3 years ago
PLEASE PLEASE HELP ​
nekit [7.7K]

Answer:68.3 degrees

Step-by-step explanation:

The diagram of the triangle ABC is shown in the attached photo. We would determine the length of side AB. It is equal to a. We would apply the cosine rule which is expressed as follows

c^2 = a^2 + b^2 - 2abCos C

Looking at the triangle,

b = 75 miles

a = 80 miles.

Angle ACB = 180 - 42 = 138 degrees. Therefore

c^2 = 80^2 + 75^2 - 2 × 80 × 75Cos 138

c^2 = 6400 + 5625 - 12000Cos 138

c^2 = 6400 + 5625 - 12000 × -0.7431

c^2 = 12025 + 8917.2

c = √20942.2 = 144.7

To determine A, we will apply sine rule

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80/SinA = 144.7/Sin 138

80Sin 138 = 144.7 SinA

SinA = 53.528/144.7 = 0.3699

A = 21.7 degrees

Therefore, theta = 90 - 21.7

= 68.3 degees

8 0
3 years ago
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