Your question is unclear but one instrument for measuring angles is a protractor.
measuring jug! kettle
a protractor
degrees
There are many instruments for measuring speed but I am not aware of any for measuring velocity.
A protractor
Your question is unclear but one instrument for measuring angles is a protractor.
measuring jug! kettle
Oh, dude, the prefix for angle is "angle." It's like when you add "un" to "happy" to make "unhappy," but with angles. So, if you have an angle, you can add the prefix "angle" to it to make it, well, "angle." Easy peasy, right?
a protractor
there is special instrument named "angle distribution measuring system" for the divergence angle measurement of LEDs. my email: bkk2003@163.com
degrees
There are many instruments for measuring speed but I am not aware of any for measuring velocity.
A thermometer
A measuring flask.
universal bevel protactor is an angle measuring instrument which measures acute angle ,obtuse angle as well as it is used to layout an angle. its least count is 5 minute.
There are special angle-measuring instruments which you can use to measure the angle.