In the triangle XYB
cos(x)=XY/XB
in the triangle AYZ
cos(z)=YZ/AZ
we know that
cos(x)=cos(z) and XY=YZ
therefore
XY/XB=YZ/AZ-------------- > (XY/YZ)=(XB/AZ) remember that XY=YZ
1=(XB/AZ)---------- > XB=AZ---------- > the statement was proved
Answer:
It took Lydia 12 minutes to run each mile
Step-by-step explanation:
120/10
-20x-40 = 800
Hope it helps
Answer:
20
Step-by-step explanation:
(3/4)x=15
x=15 ÷ 3/4
x=20
Answer:b
b
Step-by-step explanation:
tell me if you got it right.