Geometry SOL Review 1

Front

To use trig functions, what mode must the calculator be in?

Back

Degree mode.

Front

What is the endpoint of the segment with endpoint (4, 12) and midpoint (-1, 13)?

Back

(-6, 14)

Tags

CCSS.HSG.GPE.B.6

Front

How do you find the midpoint of a segment with endpoints (-4, 4) and (5, -1)?

Back

Midpoint = ((-4 + 5)/2, (4 + (-1))/2) = (1/2, 1 1/2)

Tags

CCSS.HSG.GPE.B.6

Front

What is the sum of the exterior angles of an octagon?

Back

360 degrees.

Front

If the exterior angle of a regular polygon measures 9°, how many sides does the polygon have?

Back

40 sides.

Front

What is the formula for finding the midpoint of a segment?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2)

Tags

CCSS.HSG.GPE.B.6

Front

What is the relationship between the sum of the interior angles and the number of sides in a polygon?

Back

Sum of interior angles = (n - 2) * 180°, where n is the number of sides.

Front

What is the formula for the sum of the exterior angles of any polygon?

Back

The sum of the exterior angles is always 360 degrees.

Front

How do you convert degrees to radians?

Back

Multiply degrees by π/180.

Tags

CCSS.HSF.TF.A.1

Front

What is the definition of a regular polygon?

Back

A polygon with all sides and angles equal.

Tags

CCSS.2.G.A.1