Isosceles trapezium

Trapezoid ADMR (AD||MR) is isosceles.
The size of the angle at vertex A is 30 degrees.
Calculate the size of the angle at vertex M.

Final Answer:

RMD =  150 °

Step-by-step explanation:




Did you find an error or inaccuracy? Feel free to send us. Thank you!







You need to know the following knowledge to solve this word math problem:

geometryplanimetricsUnits of physical quantitiesGrade of the word problem

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: