Answer:
D) 20º
Step-by-step explanation:
if one angle is 70º, and the other is 90º, that means that the first two angles equal 160º. since all three interior angles of a triangle have to add up to 180º, the third angle must be 20º.
associative property
12
·×=
=12
speak english plz
so 52/5 is 10.4
so we have to do the other side
9/10*X=7-1/5*Y=10
