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2 years ago

Please help! I think its D, but im not sure. Help!

Mathematics

2 answers:

zvonat [6]2 years ago

7 0

Answer:

the domain is real number

salantis [7]2 years ago

4 0

Answer:

your right it's d

Step-by-step explanation:

it's d it's d it's d it's d

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Answer:

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Step-by-step explanation:

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2 years ago

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yanalaym [24]

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2 years ago

Given circle and circle with radii of 6cm and 4cm respectively.

noname [10]

Solution :

Given that :

The radius of circle A = 6 cm

The radius of circle C = 4 cm

In circle A

$\angle EAF = \theta = 140^\circ$

The length of arc EF = $2 \pi r \times \frac{\theta}{360^\circ}$

$=2 \times 3.14 \times 6 \times \frac{140^\circ}{360^\circ}$

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In circle C

$\angle GCH = \theta = 140^\circ$

The length of arc GH = $2 \pi r \times \frac{\theta}{360^\circ}$

$=2 \times 3.14 \times 4 \times \frac{140^\circ}{360^\circ}$

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Therefore,

The length of EF is 14.653 cm

The length of GH is 9.769 cm

The length of EF is 1.5 times the length of GH

i.e. 14.653 = 1.5 x 9.769

14.653 = 14.653

Hence proved.

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