document.write( "Question 952768: a right angled triangle has an angle 90 degree and another is seventy degree what is third angle \n" ); document.write( "
Algebra.Com's Answer #581813 by macston(5194) You can put this solution on YOUR website! Sum of angles in a triangle=180 degrees. \n" ); document.write( "A=first angle=90 degrees; B=second angle=70 degrees; C=third angle \n" ); document.write( "A+B+C=180 degrees \n" ); document.write( "90 degrees+70degrees+C=180 degrees \n" ); document.write( "160degrees+C=180 degrees Subtract 160 degrees from each side. \n" ); document.write( "C=20 degrees ANSWER: The third angle is 20 degrees. \n" ); document.write( " |