30°
Mathematics, 18.05.2021 21:00, xojade
A tunnel is 300 feet deep and makes an angle of 30° with the ground, as shown
below.
30°
300 feet
Tunnel
How long is the tunnel?
Answers: 3
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Lines a and b are parallel. what is the value of x? -5 -10 -35 -55
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Statements reasons 1. ab ≅ cd; ad ≅ bc 1. given 2. ac ≅ ac 2. reflexive property 3. △adc ≅ △cba 3. ? 4. ∠dac ≅ ∠bca; ∠acd ≅ ∠cab 4. cpctc 5. ∠dac and ∠bca are alt. int. ∠s; ∠acd and ∠cab are alt. int. ∠s 5. definition of alternate interior angles 6. ab ∥ cd; ad ∥ bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?
Answers: 1
A tunnel is 300 feet deep and makes an angle of 30° with the ground, as shown
below.
30°
30°
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