Math vocab quiz

Question 1

Perpendicular

Answer 1

Things connect to form 90 degrees (put box)

Question 2

Midpoint

Answer 2

Splits a segment into 2 equal parts (put slashies)

Question 3

Angle bisector

Answer 3

Splits angle into 2 equal parts (put arcs)

Question 4

Parallel lines rules

Answer 4

• Corresponding angles are equal
• Alternate int and ext angles are equal
• ss int and ext angles are supplementary

Question 5

Other angles to know

Answer 5

• Comp adds to 90
• Supp adds to 180
• Linear are adjacent and form a line (makes 180)
• Vertical are across from eachother and are equal

Question 6

Triangles congruent

Answer 6

SSS,SAS,ASA,AAS

Question 7

Triangles Similar

Answer 7

AA~,SSS~, SAS~

Question 8

Parallelogram rules

Answer 8

• Opp angles are equal
• Opp sides are equal
• SS int angles are supp

Question 9

Translation

Answer 9

Slide by adding and subtracting

Question 10

Reflection

Answer 10

FLip over a line, over x axis x stays same, over y axis y stays same

Question 11

Rotation

Answer 11

turns 90 or 180 degress

Question 12

Dilation

Answer 12

enlarge or reduce by multiplying by a scale factor.

Question 13

Formulas no on sheet

Answer 13

• Midsegment in a trapezoid (average the bases)
• Midsegment in a triangle (half the base it is parallel to)
• Area of sector
• Length of arc
• int angle sum for any polygon ((n-2)x180)
• ext angle sum for any polygon 360

Question 14

rotational symmetry

Answer 14

• order: the number of times you can turn a shape (if - - - regular, same as # of sides)
• degree: take 360 and divide it by order
• For all degrees, just list multiples of that degree until you get to 360

Question 15

trig ratios

Answer 15

• CosA=SinB, CosB=SinA
• To solve for angle, use inverse trig keys

Question 16

special right triangle

Answer 16

30,60,90 or 45,45,90
x/3,x,2x or x/2,x,x