Just think about it
right angles are the very definition of perpendicular
how many right angles in a full rotation? 4
answer is 4
Answer:30
Step-by-step explanation: Put 30 times 15 into a calulater. Then do 15 times 2 then you find your answer.
Answer:
33.9 million miles.
Step-by-step explanation:
Answer:
acute and isosceles
Step-by-step explanation:
acute because all angles less than 90
isosceles because 2 sides are equal length
