B. Given isosceles trapezoid ABCD1. Name the bases.2. If mLA = 70°, what is mzB?3. If mLB = 2x - 6 and the mLA = 82°,DCwhat is x?4. If AC = 56 cm, what is DB?5. If DB = 3y + 7 and AC = 6y- 8, what is DB?AC. Consider kite KLMN on the right.1. Name the pairs of congruent and adjacent sides.2. If KN is 10.5, what is KL?3. If the area is 96 cm? and LN = 8 cm, what is KM?M4'4. If m3 = 31, what is mzLMN?5. If MLLKN = 39, what is the MLMKN?B.

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B. Given isosceles trapezoid ABCD 1. Name the bases. 2. If mLA = 70°, what is mzB? 3. If mLB = 2x - 6 and the mLA = 82°, D what is x? 4. If AC = 56 cm, what is DB? 5. If DB = 3y + 7 and AC = 6y-8, what is DB? A B

B. Given isosceles trapezoid ABCD 1. Name the bases. 2. If mLA = 70°, what is mzB? 3. If mLB = 2x - 6 and the mLA = 82°, D what is x? 4. If AC = 56 cm, what is DB? 5. If DB = 3y + 7 and AC = 6y-8, what is DB? A B

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter8: Areas Of Polygons And Circles

Section8.CR: Review Exercises

Problem 7CR: Given: Trapezoid ABCD, with AB=6andBC=8,ABCD Find: AABCD if: a mA=45 b mA=30 c mA=60

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Question

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B. Given isosceles trapezoid ABCD
1. Name the bases.
2. If mLA = 70°, what is mzB?
3. If mLB = 2x - 6 and the mLA = 82°,
D
C
what is x?
4. If AC = 56 cm, what is DB?
5. If DB = 3y + 7 and AC = 6y- 8, what is DB?
A
C. Consider kite KLMN on the right.
1. Name the pairs of congruent and adjacent sides.
2. If KN is 10.5, what is KL?
3. If the area is 96 cm? and LN = 8 cm, what is KM?
M
4'
4. If m3 = 31, what is mzLMN?
5. If MLLKN = 39, what is the MLMKN?
B.

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Step 1: Definition of bases in a trapezoid-

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Step 2: Write the parallel sides of ABCD-

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Step 3: Angle A and angle B are equal-

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