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9.3 classifying polynomials
HW pg. 413 #527 odds 1
March 28, 2012
Objective: classifying polygons
Classify each angle as acute, right or obtuse.
85o 160o
36o 90o
BELLWORK
9.3 classifying polynomials
HW pg. 413 #527 odds 2
March 28, 2012
Page 468 # 1 12, 16 171. supplementary2. vertical3. m<1 = 80o, m<2 = 100o, m<3 = 80o4. vertical <3, adjacent <2, m<1 = 40o5. vertical <3, adjacent <2, m<1 = 110o6. <1 + <5, <2 and <6, <3 and <7, <4 and <87. <2 and <8, <3 and <58. <6, <2, <49. a. <5, <3, <7 b. m<6, 8, 2, 4 = 135o m<1, 3, 7 = 45o10. 180o11. complementary12. vertical <KPL, adjacent <JPI and <HPM, m<1 = 34o16. m<1 = 60o, m<2 = 60o17. a. 3x = x + 30; x = 15 b. 45o c. 135o
9.3 classifying polynomials
HW pg. 413 #527 odds 3
March 28, 2012
Acute Triangle Right Triangle Obtuse Triangle3 acute angles one right angle one obtuse angle
Equilateral Triangle Isosceles Triangle Scalene Trianglethree congruent sides at least 2 congruent no congruent sides
sides
9.3 classifying polynomials
HW pg. 413 #527 odds 4
March 28, 2012
9.3 classifying polynomials
HW pg. 413 #527 odds 5
March 28, 2012
Quadrilateral four sides
Parallelogramboth pairs of opposite parallel sides
Squarefour 90o anglesand four congruent sides
Rectanglefour 90o angles
Rhombusfour congruent sides
Trapezoidexactly one pairof parallel sides
9.3 classifying polynomials
HW pg. 413 #527 odds 6
March 28, 2012
Name the types of quadrilaterals that have both pairs of opposite sides parallel.
Name the types of quadrilaterals that have four right angles.
9.3 classifying polynomials
HW pg. 413 #527 odds 7
March 28, 2012
regular polygon - all sides congruent and all angles congruent
9.3 classifying polynomials
HW pg. 413 #527 odds 8
March 28, 2012
A contractor is framing a regular octagonal gazebo. Write the formula for the perimeter of the gazebo in terms of the length of a side. Evaluate the formula for a side length of 7 ft.
9.3 classifying polynomials
HW pg. 413 #527 odds 9
March 28, 2012
9.3 HW pg. 473
# 5-27 odds
