What have you tried? Don't you think it'd be best to show your work, so someone would be able to tell you

what you did, or didn't do wrong?

m∠B: 9(4) + 3, or 

m∠E: 12(4), or  

RELATED QUESTIONS

What is the value of y?

 

Enter your answer in the box.
y = 

An isosceles... (answered by josgarithmetic)

Can someone help me with this problem?

  Assume that the given triangle is isoseles.... (answered by abcdefg)

If AB || CD: 

6. What is the measure of angle 3 in degrees if angle 1 = 125 degrees?

 (answered by Alan3354)

I|have|a|rectangle|split|into|4|by|an|x|in|the|middle|The|corners|are|labeled|(L-R&T-B)|T, (answered by ikleyn)

I need major help on how to answer these questions and what they are. Here is the info...
 (answered by Fombitz)

Please help me with this problem.

A ramp 60 m long rises a vertical distance of 8 m.... (answered by ankor@dixie-net.com)

In a right triangle the hypotenuse is labeled B. The second longest side is labeled A and  (answered by stanbon,Targetweek)

In triangle ABC angle m < A is 45 degrees,  angle m < B=30 degrees, and side a=10. What... (answered by josgarithmetic,math_tutor2020)

Given: Angle A is the vertex of an isosceles triangle. The number of degrees in angle B... (answered by josgarithmetic,MathTherapy)