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Salsk061 [2.6K]
3 years ago
9

What is the area of this triangle

Mathematics
1 answer:
Drupady [299]3 years ago
6 0
66 will be the area because triangle DEF is increased by 8 feet so that means the height will be 11. So 11 times 12 divided by 2 is 66
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A grandfather purchased a brand new car in 1958 for ​$. 2500 The car depreciated ​$ 275 a year. What would the car be worth 4 ye
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Answer:

$1,400

Step-by-step explanation:

275×4=1,100

2,500-1,100 = 1,400

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For triangle xyz , the measures of angles x,y, and Z are known. Which method should be used to start solving triangle xyz?
Kisachek [45]

Neither the <u>laws of sines</u> nor the <u>law of cosines</u> can be used to solve the triangle. The correct option is the third option - neither law can be used

<h3>Solving trianngles using the laws of sines & cosines </h3>

The law of sines is written as

\frac{sinA}{a}=\frac{sinB}{b}= \frac{sinC}{c}

Where a,b, and c are sides of any given triangle and A,B, and C are the angles.

This law is used when we are given either

  1. Two angles and one side, or
  2. Two sides and a non-included angle

The law of cosines is written as

a² = b² + c² -2bc cosA, or

b² = a² + c² - 2ac cosB, or

c² = a² + b² -2ab cosC

Where a,b, and c are sides of any given triangle and A,B, and C are the angles.

This law is used when we are given either

  1. Three sides or
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Now, for triangle xyz, which the measures of angles X,Y, and Z are known, neither law can be used to solve the triangle.

Hence, neither the <u>laws of sines</u> nor the <u>law of cosines</u> can be used to solve the triangle. The correct option is the third option - neither law can be used

Learn more on Solving triangles using the laws of sines & cosines here: brainly.com/question/22339733

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What is the height of a wall 28 ft long that requires 1568 feet long
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ι нσρє ι ¢συℓ∂ нєℓρ уσυ

3 0
3 years ago
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A system of equations is graphed on the coordinate plane.
ANTONII [103]
You have 2y=3x-1 and 4y=6x-2. first step is to get the y by itself . first equation you divide everything by 2 which gives you the equation: y= 3/2x-1/2
or y= 1.5x-.5, for the second equation you divide everything by 4, which gives you y=6/4x-2/4 (1/2) or y=1.5-.5. both equations are equal to one another: 
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What's 2.537 rounded to the nearest hundred?
Mnenie [13.5K]

Answer: 2.54

Step-by-step explanation:

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