An angle whose measure is 90° can be classified as which type of angle?
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a. acute angle
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b. obtuse angle
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c. straight angle
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d. right angle

I’m pretty sure the * means multiplication. so, if you multiply 5*1, it would equal 5. they are basically are-writing 5x1 as 5*1. so they would be… 5 10152025303540455055