Best Answer

With the protracter,

its 180 degrees!!

Q: How do you find the unknown angle of a straight line?

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yes a straight angle is a 180 degree angle and a line is just a straight line

A 180 Degree angle therefore a straight line.

the angle on a straight line is 180 degrees, the angle of semicircle at centre is 180 degrees

Yes a straight line is considered an angle as the line which is inclined on the base line has 0degree angle on the base line .

A straight angle (180 degrees) makes a perfectly straight line. Any degree below 180 degrees (0-179 degrees) is NOT a straight angle NOR a straight line. straight angle = 180 degrees straight angle = straight line 180 degrees

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yes a straight angle is a 180 degree angle and a line is just a straight line

A straight angle also known as a line

A 180 Degree angle therefore a straight line.

No. An angle of 180o is a straight line.

the angle on a straight line is 180 degrees, the angle of semicircle at centre is 180 degrees

Yes a straight line is considered an angle as the line which is inclined on the base line has 0degree angle on the base line .

a straight line is also called a straight angle. it is 180 degrees.

A straight angle (180 degrees) makes a perfectly straight line. Any degree below 180 degrees (0-179 degrees) is NOT a straight angle NOR a straight line. straight angle = 180 degrees straight angle = straight line 180 degrees

a straight line, or straight angle

it is a straight line

A straight angle is 180o - a straight line; any straight line has a straight angle in it, so the answer must be yes.

A straight angle is an angle.