<1=97°
steps:
<1+83=180 co interior angle
<1=180-83=97°
He doesn't know where x is
Tan(theta) = 5/4
sin(theta)/cos (theta)=5/4
cos(theta)=4sin(theta)/5
sin²(theta)+cos²(theta)=1
sin²(theta)+16sin²(iheta)/25=1 /*25
25 sin²(theta)+16 sin²(theta)=25
sin²(theta)=25/41 /√
sin(theta)=
cos(theta)=
cot(theta)=
csc(theta)=1/sin(theta)=
sec(theta)=1/cos(theta)=
Answer:
Triangles are congruent when all corresponding sides and interior angles are congruent. The triangles will have the same shape and size, but one may be a mirror image of the other.
Step-by-step explanation: