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ozzi
3 years ago
5

The diagram shows a square ABDE and an equilateral triangle BCD work out the size of angle EBC.​

Mathematics
1 answer:
Phoenix [80]3 years ago
8 0

9514 1404 393

Answer:

  105°

Step-by-step explanation:

∠EBC = ∠EBD + ∠DBC

∠EBC = 45° + 60°

∠EBC = 105°

__

The diagonal of the square bisects the 90° corner angle, so the portion of interest is 90°/2 = 45°.

An equilateral triangle has all three angles the same: 180°/3 = 60°.

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STALIN [3.7K]

Answer:

Sin A=0.6

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Cos C= 0.9231

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Step-by-step explanation:

For sin A

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Sin A=0.6

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Tan B = opposite/adjacent

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For cos C

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6 0
3 years ago
If the dice is rolled another 500 times,<br> how many sixes would you expect to roll?
katovenus [111]

Answer:

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Step-by-step explanation:

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If 1 loaf of bread is cut into slices, and each slice is 1/2 of a loaf. How many slices are there?
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8 0
4 years ago
HELP ME IM LOST. And I have no idea what to do.
puteri [66]
Adjacent angles share a vertex and a side. For EDF, since the vertex is completely unrelated to AEB, it is not adjacent. For DEA, since it shares a vertex (the line BED, and they add up to get it) and shares the line EA, it is adjacent. For GDA, since it clearly does not share a common vertex, it is not adjacent.
7 0
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