angle 1and angle 2 are supplementary angles. angle 1 is 4y + 7 and angle 2 is 9y + 4. Find angle 2.

Question

anonymous · Answer

13y+11=180
13y=169
y=13
 second angle
9(13)+4
121

aroub · Answer

supplementary angles add up to 180 

<1 +<2 =180  , now just substitute 

4y+7+9y+4=180
13y+11=180
13y=169
y=13 
now we found y ,so you substitute 13 by the y in angle 2 , so you could get the measure of angle 2
9y + 4
9(13)+4 = 121

anonymous · Answer

Supplementary means sum is 180 degrees or 2 \pi radians.

So here, 

$$4y + 7 + 9y + 4 = 180$$

$$\Rightarrow 13y+11=180$$
$$13y=169$$
$$y=13$$

So,substituting for the second angle we get,


$$ 9 \times (13)+4 = 121 $$

anonymous · Answer

hey lagrangeson,wats up with the madels? hm?(sarcastic)