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Gelneren [198K]
2 years ago
5

Rectangle

Mathematics
1 answer:
eduard2 years ago
5 0

Options A and D are correct. The pair of measurements that could be the dimensions of rectangle B is 6 cm by 1.5 cm and 18 cm by 4.5 cm.

For us to get a scale copy of the dimension, we need to first find the scale factor as shown;

Given the measure of rectangle A:

  • Length= 12cm
  • Width = 3cm

To get all of the measurement pairs that could be the dimensions of Rectangle  B, we need to multiply the length and width by the same factor

Multiplying by 1/2

New length = 12 × 0.5 = 6cm

New width = 3 × 0.5 = 1.5cm

Hence 6cm by 1.5cm can be dimension of B

Multiplying by 1.5

New length = 12 × 1.5 = 18cm

New width = 3 × 1.5 = 4.5cm

Hence 18cm by 4.5cm can be dimension of B

Learn more here: brainly.com/question/24759485

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The complete question in the attached figure

we know that
m angle bad =75°
remember that on parallelogram 
(∠A + ∠<span>B) = 180°
[Since, sum of the interior angles on the same side of the transversal is 180°] 
therefore
</span>∠B=180°-∠A=180°-75°=105°
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<span>Similarly
∠B + ∠C = 180°
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and ∠D + ∠A = 180°</span>
<span>Thus, the sum of any two adjacent angles of a parallelogram is 180°.
</span>
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the answer is m angle bcd=75°

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