How can the triangles be proven similar by the sss similarity theorem? show that the ratios are equivalent. show that the ratios are equivalent. show that the ratios are equivalent, and ∠v ≅ ∠y. show that the ratios are equivalent, and ∠u ≅ ∠z.

a. 74 degrees

step-by-step explanation:

because the lines through the side and the box in the corners shows that these are congruent triangles and since they are mirrored the 37 degrees is also mirrored so the answer is 37 * 2 which is 74.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

it is 32.5

i hope i could u.