Trapezoids and Kites Answers

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1
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What is the length of the sides of kite ABCD?

A
AB = 20; CD = 15
B
AB = 15; CD = 20
C
AB = 9; CD = 16
D
AB = 24; CD = 25
3

What are the values of a and b?

A
a = 4; b = 10
B
a = 4; b = 40
C
a = 8; b = 10
D
a = 8; b = 40
4

Use the diagram to find the missing measures.

Answers:
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:kite
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:perpendicular
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:reflexive
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:HL
5

Use the diagram to find the missing measures.

Answers:
The measure of angle GHE is °.:62
The length of GE is .:15
6

✔ 153062118

A
✔ 15
B
30
C
62
D
118
8

22.632.6292.6✔ 112.6

Answers:
If the measure of angle BCD is 67.4°, the measure of angle ABC is °.:112.6
If the length of base AB is 80 feet, the length of DC is feet.:105
9

2580✔ 10585

A
25
B
80
C
✔ 105
D
85
10

congruent✔ isosceles trapezoidcongruent triangles

Answers:
It is given that trapezoid EFGH is an isosceles trapezoid. We know that FE ≅ GH by the definition of . The base angle theorem of isosceles trapezoids verifies that angle is congruent to angle . We als:isosceles trapezoid
It is given that trapezoid EFGH is an isosceles trapezoid. We know that FE ≅ GH by the definition of . The base angle theorem of isosceles trapezoids verifies that angle is congruent to angle . We als:FEH
It is given that trapezoid EFGH is an isosceles trapezoid. We know that FE ≅ GH by the definition of . The base angle theorem of isosceles trapezoids verifies that angle is congruent to angle . We als:GHE
It is given that trapezoid EFGH is an isosceles trapezoid. We know that FE ≅ GH by the definition of . The base angle theorem of isosceles trapezoids verifies that angle is congruent to angle . We als:reflexive
It is given that trapezoid EFGH is an isosceles trapezoid. We know that FE ≅ GH by the definition of . The base angle theorem of isosceles trapezoids verifies that angle is congruent to angle . We als:SAS
11

✔ FEHFEGFHE

A
✔ FEH
B
FEG
C
FHE
12

HE✔ GHEHEG

A
HE
B
✔ GHE
C
HEG
13

congruency✔ reflexivesubstitution

A
congruency
B
✔ reflexive
C
substitution
14

AASSSS✔ SAS

A
AAS
B
SSS
C
✔ SAS
15

✔ kitecongruentquadrilateral

Answers:
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:kite
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:perpendicular
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:reflexive
It is given that quadrilateral ABCD is a kite. We know that AD ≅ CD by the definition of . By the kite diagonal theorem, AC is to BD This means that angles AED and CED are right angles. We also see th:HL
16

congruentparallel✔ perpendicular

A
congruent
B
parallel
C
✔ perpendicular
17

congruency✔ reflexivesubstitution

A
congruency
B
✔ reflexive
C
substitution
18

AAS✔ HLSAS

A
AAS
B
✔ HL
C
SAS

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