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Vaselesa [24]
2 years ago
4

In the rhombus, m<3=80. Find m<2

Mathematics
2 answers:
sweet-ann [11.9K]2 years ago
7 0
I believe the measure of angle 2 is 40
Anton [14]2 years ago
6 0

Answer:

∠2 = 50°

Option 4 is correct.

Step-by-step explanation:

In the rhombus, m∠3=80°

∠1=∠2 (Alternate angle because opposite line of rhombus is parallel)

∠1=∠4 ( Base of isosceles triangle is equal )

In ΔABC

∠1 + ∠4 + ∠3 = 180°  (Angle sum property of triangle)

∠2 + ∠2 + ∠3 = 180°  ( ∵ ∠1=∠2 ,∠4=∠2 )

    2∠2 + 80° = 180°

              2∠2 = 100°

                ∠2 = 50°

Hence, The measure of ∠2 = 50°

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An insurance company collected data from a class of high school sophomores on whether or not they have a cell phone and whether
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Then we calculate the relative frequencies f_{x_i} for those who have a cell phone and those who do not.

______________________________________________

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-------------------------------------------------- --------------------------------------

C<em>ell phone     No cell phone      Total n</em>

 12/18                    6/18                     18

_______________________________________________

_______________________________________________

Relative frequency   Students with car  n = 18.

-------------------------------------------------- --------------------------------------

C<em>ell phone     No cell phone      Total n</em>

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________________________________________________

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_______________________________________________

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<em>Cell phone       No cell phone             Total  n</em>

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_______________________________________________  

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<em>Cell phone</em>      <em>  No</em> <em>cell phone           Total  n</em>

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<em>Then these data suggest that. Those who have a car tend to have a cell phone.</em>

Option C

6 0
2 years ago
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