+0  
 
+1
147
6
avatar+284 

 

1.  https://static.k12.com/nextgen_media/assets/8093631-NG_GMT_V_04_U10_Quiz_01.png

Quadrilateral ABCD ​ is inscribed in this circle.

 

What is the measure of  ∠A ?

Enter your answer in the box.

 

____°

 

2.  https://static.k12.com/nextgen_media/assets/8093662-NG_GMT_V_04_U10_Quiz_06.png

​ Quadrilateral ABCD ​ is inscribed in a circle.

What is the measure of angle A?

 

Enter your answer in the box.

m∠A= °

 

3.  https://static.k12.com/nextgen_media/assets/8093648-NG_GMT_V_04_U10_Quiz_08.png

Quadrilateral ABCD ​ is inscribed in this circle.

 

What is the measure of angle B?

Enter your answer in the box.

 

 

4. https://static.k12.com/nextgen_media/assets/8093664-NG_GMT_V_04_U10_Quiz_12.png

​ Quadrilateral ABCD ​ is inscribed in this circle.

What is the measure of angle A?

 

Enter your answer in the box.

°

m∠B= °

 

5. https://static.k12.com/nextgen_media/assets/8093665-NG_GMT_V_04_U10_Quiz_15.png

​ Quadrilateral ABCD ​ is inscribed in this circle.

 

What is the measure of angle C?

Enter your answer in the box.

 °

sii1lver  Apr 11, 2018
 #1
avatar+87639 
+2

1.

 

A  and C are supplemental

 

A + 43   = 180    subtract 43 from both sides

 

A  = 137°

 

2.

 

A and C are supplemental...so...

 

(4x+ 5) + ( x + 15 )  = 180   simplify

5x + 20  = 180     subtract 20 from both sides

5x = 160     divide both sides by 5

x = 32

 

So  A  = 4(32) + 5    =  133°

 

 

cool cool cool

CPhill  Apr 11, 2018
 #2
avatar+87639 
+2

3.

 

B and D are supplemental

 

4x - 20  + x  = 180      simplify

5x - 20  = 180     add 20 to both sides

5x = 200         divide both sides by 5

x = 40

 

So...B  =  4(20) - 20   =   60°

 

 

cool cool cool

CPhill  Apr 11, 2018
 #3
avatar+284 
0

Thank you!! But what about 4 and 5?

sii1lver  Apr 11, 2018
 #4
avatar+87639 
+1

Getting to them after I eat....hold on!!!!

 

 

cool cool cool

CPhill  Apr 11, 2018
 #5
avatar+284 
0

Okay thank you! Can I message you more questions froma differnet test as well? Because my friend is that usaually helps me out rn

sii1lver  Apr 11, 2018
 #6
avatar+344 
+2

5.

x+116°=180°

x=180°-116°

x=64°

(2(64°)-40)°

128°-40°=88°

angle A=88°

 

smileysmileysmiley

qualitystreet  Apr 11, 2018
edited by qualitystreet  Apr 11, 2018

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