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Nata [24]
3 years ago
9

31 feet 8 inches - 3 feet 6 inches =

Mathematics
2 answers:
marysya [2.9K]3 years ago
7 0
28 feet and 2 inches
kumpel [21]3 years ago
5 0
28 feet 2 inches




..i think
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If CE bisects ZBCD and if m ZBCE = 3x - 6
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Answer:

m∠BCD = 90°

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Step-by-step explanation:

<em>If a ray bisects an angle, that means it divides the angle into two equal parts in measure</em>

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∴ m∠BCE = m∠ECD = \frac{1}{2} m∠BCD

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→ Add 6 to both sides

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→ Subtract 2x from both sides

∵ 3x - 2x = 2x - 2x + 17

∴ x = 17

∵ m∠BCE =  \frac{1}{2} m∠BCD

→ Substitute x in the measure of ∠BCE to find it, then use it to

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∵ m∠BCE = 3(17) - 6 = 51 - 6

∴  m∠BCE = 45°

∵ 45 = \frac{1}{2} m∠BCD

→ Multiply both sides by 2

∴ 90 = m∠BCD

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→ The measure of the acute angle is less than 90°, the measure of

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∴ ∠BCD is a right angle

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52

Step-by-step explanation:

I think not really sure

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