1/5(25-5a)=4-a
⇔5-a=4-a
NO SOLUTION
We know that the sum of measures of internal angles in each quadrangle is 360°.
Look at the picture.

Therefore we have:

Answer: θ = 141 deg.
Umm I think it’s b -6 and -7 or -5 and -6
Hello :
2145 = 11×13×3×5 ( prime factorisation product)
2145 = 11×13×15
the <span>three consecutive odd numbers whose product is 2145 are : 11 , 13 ,15</span>
Answer:
C. 
Step-by-step explanation:
BD = DC because angles ADC and ADB are right angles.
Thus, 
Add 5 to both sides:


Subtract 2x from both sides:


Divide both sides by 2:


DC 


