Review for CMA 6A

The sum of the angles of a 30-gon is _____.

• 5400^o

• 5040^o

• 12^o

• 168^o

Each angle of a regular 40-gon is _____.

• 7200^o

• 6840^o

• 171^o

• 9^o

If the sum of the angles of a polygon is 4500^o, then it has __________ sides.

• 809,640

• 166

• 180

• 27

In hexagon JORDAN, m∠J = (3x)^o, m∠O = (2x - 25)^o, m∠R = (3x)^o, m∠D = (x - 10)^o, m∠A = (2x)^o,

and m∠N = (3x - 15)^o. Find the measure of the largest angle.

• 165^o

• 150^o

• 55^o

• 88^o

Rectangles are _____ parallelograms.

• always

• sometimes

• never

Tags

CCSS.HSG.CO.C.11

Rhombuses are _______ rectangles.

• always

• sometimes

• never

Tags

CCSS.5.G.B.4

Rhombuses are _____ regular.

• always

• sometimes

• never

Tags

CCSS.5.G.B.4

Diagonals of a _____ are perpendicular.

(There may be more than one correct answer)

• parallelogram

• rhombus

• square

• trapezoid

• kite

Kites are _____ trapezoids.

• always

• sometimes

• never

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

In the rhombus pictured,

what are the measures of the numbered angles?

• m∠1 = 39^o

  m∠2 = 39^o

  m∠3 = 51^o

  m∠4 = 39^o

• m∠1 = 90^o

  m∠2 = 39^o

  m∠3 = 51^o

  m∠4 = 39^o

• m∠1 = 51^o

  m∠2 = 39^o

  m∠3 = 51^o

  m∠4 = 39^o

• m∠1 = 90^o

  m∠2 = 51^o

  m∠3 = 39^o

  m∠4 = 51^o

Tags

CCSS.HSG.CO.C.11