F E D H A G B C.

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Presentation transcript:

F E D H A G B C

Use proper notation to name the set of blue points in the diagram. BC

Use proper notation to name the set of green points in the diagram. EDF or FDE

Use proper notation to name the set of purple points in the diagram. HG

Use proper notation to name the set of red points in the diagram.

1 2 a 3 4 6 7 5 b 9 8

Match each pair of angles to its classification Match each pair of angles to its classification. All answers will be used once.

1 and 2 alternate interior 1 and 5 alternate exterior 5 and 6 corresponding 2 and 3 vertical 4 and 5 supplementary 1 and 8 complementary

Classify the triangle according to the measures of its angles and the lengths of its sides. obtuse scalene

Classify the triangle according to the measures of its angles and the lengths of its sides. right isosceles

Classify the triangle according to the measures of its angles and the lengths of its sides. acute equilateral

What is a simpler name for a rectangular rhombus? square

Name the polygon and find the sum of the measures of its angles. octagon; 1,080°

Find the measure of each angle in a regular pentagon. 108°

Find the perimeter of an equilateral triangle with sides of 6 in.

Find the side lengths of a parallelogram with one side three times as long as an adjacent side if its perimeter is 48. 6, 18

The center circle of a soccer field has a radius of 10 yd The center circle of a soccer field has a radius of 10 yd. Determine, to the nearest yard, the distance around the center circle. 63 yd.

ABC ~ DEF. Use proportions to find x. 18 12 8 D E A 15 B 12

Find the length of the hypotenuse of a 45-45 right triangle if the length of each leg is 3. 3 √ 2 ≈ 4.2

Find the long leg and hypotenuse of a 30-60 right triangle whose short leg is 8. 8 √ 3 ≈ 13.9; 16

Find the distance between the points (– 2, 5) and (2, 8).

Find the midpoint of the segment extending from (– 2, 5) and (2, 8). (0, 6.5)

What is the image of the segment with endpoints (3, 4) and (– 1, 3) after it has been reflected across the y-axis?

the segment with endpoints (3, – 4) and (1, 3) B ' B A ' A the segment with endpoints (3, – 4) and (1, 3)

the triangle with vertices at (0, 0), (0, – 3) and (2, – 3) What is the image of a Δ with vertices at (– 2, 3), (0, 3), and (0, 0) after it has been reflected across both the x-axis and the y-axis? the triangle with vertices at (0, 0), (0, – 3) and (2, – 3)

parallel; intersecting A translation is two reflections through _____ lines, and a rotation is two reflections through _____ lines. parallel; intersecting

Give the number of lines of symmetry, write the minimum number of degrees for rotational symmetry, and write “point” if the figure has point symmetry.

2 lines, 180° rotational, point

Give the mathematical significance of Nehemiah 6:15-16.