Determine if these triangles are congruent and why 3-4

#3.

Triangle RCH is congruent to Triangle NCH by SAS.

Side 1 - reflexive (CH)

Angle - given

Side 2 - given

#4.

Triangle SOK is congruent to Triangle XAM by ASA.

Angle 1 - angle X is 53 degrees, as is angle S

Side - given

Angle 2 - angle A is 103 degrees, as is angle O

Hope this helps!

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

answer: 8d

step-by-step explanation:

45+5= 50+5=55+5=60