Como se calcula la medida de la sircunferencia si conocen la medida del diámetro

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?

Which is the standard form for this number? (2 x 10) + (5 x 1) + (8 x 1 10,000 )

Myra took a picture of the sky one afternoon when two jet airplanes appeared to draw a pair of parallel lines with their vapor trails. the vapor trails from two other jets flying from another direction crossed over the parallel trails. she printed her picture and labeled the angles and lines. assume lines c and d are parallel and 2 measures 98°. which statements are true? check all that apply. 3 = 6 = 98° 3 = 14 = 98° 4 = 8 = 82° 4 = 12 = 82° 5 = 8 = 82°