warm up: march 5, 2009

Warm Up: March 5, 2009

Journal: Why is the formula for a kite the same as the formula for a

rhombus?

About Chapter 6 Test

• Bring completed packet to hand in.

• 60 points

• 49 questions

Jeopardy

Quadrilaterals Edition

Jeopardy Rules…• Split into groups of 5. • A team will select a category.• Answer the question on your chalkboard,

then raise your hand to “buzz in.” • The first team with the correct answer will

earn the points for the selected category.• The winning team will receive 5 bonus

points on the test.• Notebooks/Textbooks/Notes not allowed. • Calculators permitted.

Quadrilaterals Jeopardy!

Vocab. Classified Properties Area Misc.

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Vocabulary100

Define Rhombus.

A rhombus is a quadrilateral with four congruent sides. (Equilateral, but not necessarily equiangular.)

Vocabulary 200

A shape with opposite parallel sides is known as a(n) _________.

Parallelogram

Vocabulary 300

Define Kite.

A kite is a quadrilaterals with two pairs of consecutive congruent sides. Opposite sides are not parallel.

Vocabulary 400

In the following trapezoid, what is segment MD known as?

T R

M D

P A

Midsegment

Vocabulary 500

Sketch trapezoid NPHS with NP || HS. (Watch the order of vertices!) Name a pair of base angles.

N P

S H<HNP and <SPN or<PSH and <NHS

Classifying100

List all quadrilaterals you can classify this figure as. Figure not draw to scale.

Rhombus, Rectangle, Square, Parallelogram

Classifying 200

Classify the following figure. (Figure not drawn to scale.)

Kite

Classifying 300

A rectangle is also a quadrilateral and a(n) _________.

Parallelogram

Classifying 400

Classify this figure with as many terms as possible. Figure not draw to scale.

Rhombus, Rectangle, Square, Parallelogram

Classifying 500

The following figure could be a(n) _______. (Figure not drawn to scale.)

Parallelogram or Isosceles Trapezoid

Properties 100

Find the value of the missing angle.

98º xº

107º

113º

42º

Properties 200

What quadrilateral has congruent, perpendicular diagonals?

A Square

Properties 300

List two good properties of a rectangle.

The sum of interior angles is 360º. Opposite sides are parallel.Opposite sides are congruent. Opposite angles are congruent.Diagonals bisect each other. Consecutive angles are supplementary.All angles measure 90º.Diagonals are congruent.

Properties 400

List two good properties of a kite. Consecutive sides are congruent. Opposite sides are not congruent. “Arm” angles are congruent.“Head” and “Tail” angles are not congruent.Diagonals are perpendicular.

Properties 500

List two good properties of a Rhombus.

Opposite sides are congruent. Opposite sides are parallel. All sides are congruent.Diagonals are perpendicular.Diagonals bisect each other.

Area100

The formula for area of a triangle is:

A = ½ b x h

Area 200

The formula for area of a square is:

A = b x h

A = l x w

A = s2

Area 300

Find the area of the parallelogram.

12

10 8

96 units2

Area 400

Find the area of the trapezoid.

15 ft.

11 ft.

13 ft.A = 154ft2

Area 500

Find the area of the kite.

4

5 5

8

A = 60 units2

Miscellaneous100

What is Pythagorean’s Theorem?

a2+b2=c2

Miscellaneous200

Polygon or not?

Polygon!

Miscellaneous300

The sum of the interior angles in a quadrilateral is _____.

360º

Miscellaneous400

The base angles in a trapezoid share a(n) __________.

base

Miscellaneous500

• Name three sets of Pythagorean triplets.

3, 4, 55, 12, 13 8, 15, 177, 24, 259, 40, 41 12, 35, 3711, 60, 61

20, 21, 29

Closer

• List as many area formulas for chapter 6 as you can remember.