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Olenka [21]
3 years ago
15

How many degrees has ABC been rotated counterclockwise about the origin?

Mathematics
2 answers:
andre [41]3 years ago
8 0

Answer:

270 degrees.

Step-by-step explanation:

If the rotation was clockwise we would get to A'B'C'.

This is equivalent to a 360 - 90 = 270 degree counterclockwise rotation.

omeli [17]3 years ago
3 0

Answer:

C

Step-by-step explanation:

It would take 90 degree to rotate clockwise so it will take 360-90=270 degree to rotate counterclockwise

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A block of concrete is 1m long, 50cm wild and 4cm thick. 1.calculate the volume of the block in cm3 .2.if 1cm has a mass of 2.7g
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2 years ago
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3 0
3 years ago
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ss7ja [257]
The answer is 25 degrees.

This is how you solve the equation, first you must know that the straight like ABC=180, DBC is 130, so the remaining amount is 50 degrees, BE is a bisector of ABD which means it splits ABD right down the middle. So ABE+EBD=50 degrees, 25+25=50 since both sides MUST be equal in order for BE to be a bisector of ABD.

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