Suriin ang IDNStudy.com para sa malinaw at detalyadong mga sagot. Hanapin ang impormasyon na kailangan mo nang mabilis at madali sa pamamagitan ng aming komprehensibo at eksaktong platform ng tanong at sagot.
Answer:
Protractor
Explanation:
protractor
A protractor is an instrument used to measure the size of angles. The protractor shown below has two scales: The outer scale starts from 0˚ to180˚ going clockwise. The inner scale starts from 0˚ to 180˚ going anti-clockwise.