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dsp73
2 years ago
12

Plz help guys.I rlly need it

Mathematics
1 answer:
Phoenix [80]2 years ago
7 0
This is the answer: 2, 1/2, 2, 2
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Please help me!
marusya05 [52]

Answer:


Step-by-step explanation:

Nice summary problem.

<AEC

  • AEC = 360 - 243.5 = 116.5    
  • The number of degrees in 1 rotation of a circle = 360o. You have accounted for 243.5 degrees. What is left over is the answer.

<EAD and <ECD

Both of these are tangents to a circle. Tangents meet radii at 90 degree angles.

<EAD = <ECD = 90 degrees

<ABC

<ABC is 1/2 the central angle. The Central angle is <AEC

  • < AEC = 116.5
  • <ABC = 1/2 * 116.5
  • <ABC = 58.25

<ADC

There are 2 ways of doing this. You should know both of them.

<em><u>One</u></em>

All quadrilaterals = 360 degrees. You know three of the angles. You should be able to find ADC

  • <ADC + 90 + 90 + 116.5 = 360     Add the four angles together.
  • <ADC + 296.5 = 360                   Combine terms on the left
  • <ADC = 360 - 296.5                    Subtract 238.25 from both sides
  • <ADC = 63.5                                 Answer

<em><u>Method Two</u></em>

<ADC = 1/2 (major Arc - Minor Arc)  This formula is fundamental to circle / tangent properties. The Major arc is the larger of the two parts of the circumference of a circle. The Minor arc is the smaller.

  • <ADC = 1/2(243.5 - 116.5)
  • <ADC = 1/2(127)
  • <ADC = 63.5
8 0
3 years ago
Hello everyone… Please answer … Let's solve a little logic : )
morpeh [17]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Convert 27 cubits to fathoms
topjm [15]
27 cubits =
6.75 fathoms

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3 years ago
If triangle ABC Is dilated by a scale factor of 2.5 with a center of dilation at vortex be how does the area of A’B’C compared w
arlik [135]

Answer:

The area is 6.25 times greater.

Step-by-step explanation:

Each side of the triangle of the dilated triangle will be 2.5 times the length of the original sides.

The area will increase to 2.5^2 = 6.25 times.

7 0
3 years ago
Brandon solved 24 math problems in 8 minutes, and Marcus solved 18 math problems in 9 minutes. Who solved more problems per minu
Delicious77 [7]

Answer

Brandon

Step-by-step explanation:

Brandon solved three a minute while Marcus solved two a minute

4 0
3 years ago
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