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gregori [183]
2 years ago
15

Choose the correct formula to find the area of the oblique ABC shown below. Select all that apply. Select ALL TRUE statements.

Mathematics
2 answers:
serious [3.7K]2 years ago
7 0
These two are true:
<span>Area of ABC = a × b × sinC
Area of ABC = × c × b × sinA

</span>
polet [3.4K]2 years ago
6 0
Area of ABC =a x b x sinC
             and
Area of ABC = c x b x sinA
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Please help me answer this <br> Will give Brainly
zmey [24]

Answer:

9.103

10. 77

11.60

12. 6.4

13. 20

14. 36

Step-by-step explanation:

A triangle is a three-sided polygon with three edges and three vertices. the sum of angles in a triangle is 180 degrees

180 - (47 + 30) = 103

DEG = 180 - 103 = 77 angles on a straight line equals 180

An equilateral triangle has all 3 sides equal

if the sum of angles in a triangle is 180 degrees, each angle measures 180 / 3 = 60

The Pythagoras theorem : a² + b² = c²

where a = length

b = base

c =  hypotenuse

5² + 4² = 41

squareroot of 41 = 6.4

b : √(25² - 15²) = 20

√(60² - 48²) = 36

5 0
2 years ago
Prove algebraically that 8.99999... = 9
Jobisdone [24]
You can't, it has been done before but there is a fault in the working because the 2 numbers are different. If you want to see a video of someone attempt it, I believe there is a video on the numberphile channel.

Hope this helps :)
5 0
2 years ago
Read 2 more answers
Formula of sec theta​
katovenus [111]

Answer:

sec(theta)=1/cos(theta)

Step-by-step explanation:

sec(theta)=1/cos(theta)

6 0
1 year ago
Solve for x. Show each step of the solution. <br> 4.5(8 − ) + 36 = 102 − 2.5(3 + 24)
Gemiola [76]
8.33333333 repeat.
Hope This Helps
4 0
3 years ago
Read 2 more answers
Please help me with this question
BartSMP [9]

Answer:

3x-28=2x+25\\x=53

Step-by-step explanation:

Parallel lines cut by a transversal are two lines which do not cross intersected by a third line. Because lines such as m and n are parallel, we have angles which are equal to each other.

  • Corresponding Angles - angles located in the same position in each intersection. Can be shown by translating or sliding the angle down/up.
  • Alternate Interior Angles - angles located inside the parallel lines across the transversal. Can be shown by reflecting and translating or rotation.
  • Alternate Exterior Angles - angles located outside the parallel lines across the transversal. Can be shown by reflecting and translating or rotation.
  • Vertical angles - angles across a vertex from one another. Can be shown by reflection.

The angles shown here are located outside the parallel lines and across the transversal from each other. Therefore we have Alternate Exteroir angles and can set them equal to each other to solve for x.

3x-28=2x+25\\3x-2x-28=2x-2x+25\\x-28=25\\x-28+28=25+28\\x=53

We check our work and should get equal angles:

3(53)-28=2(53)+25\\159-28=106+25\\131=131

4 0
3 years ago
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