What is the circumference of circle with a diameter of 9 feet? Use 3.14 for tt

Mathematics

2 answers:

Gennadij [26K]3 years ago

7 0

C= pi * d
C= 3.14 * 9
C= 28.26 ft

ankoles [38]3 years ago

4 0

Answer:

28.26

Step-by-step explanation:

The formula for calculating diameter is πd (pi times the diameter), so 3.14 times 9 is 28.26.

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3 years ago

If mBDE = 125 what is mGDF? A) 35. B) 45. C) 55. D) 65

joja [24]

A supplmentary angle = 180°

∠BDE and ∠BDF are vertical angles, and so are congruent.

∠BDF = 125°, because ∠BDF ≅ ∠BDE.

∠CDA ≅ ∠EDF

∠CDA = 90°

line BJ is angle bisector of ∠CDA. ∠CDB is 1/2 of ∠CDA

∠CDA = 90°

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∠GDF is a vertical angle of ∠CDB, and it's measurement will be the same as ∠CDB.

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∠GDF = 45° should be your answer

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3 years ago

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antiseptic1488 [7]

The solution to the answer is as follows:

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AfilCa [17]

Answer:

False

Step-by-step explanation:

Lines m and n are not parallel

See attached that shows vertical segment of 6 units, its longer than the distance between the lines on the right and its shorter on the left

Parallel lines should have same distance at any point between them