The third one pls mark me brainliest

if you drop the radius to less than that, then the Area will also drop to less than 1 unit, in this case it happens to be a decimeter
Purr fbfbfbffjhfbfbfbfbfbfbf
Answer:
Line TB is congruent to line BR.
B is the midpoint of line TR.
Line TB plus line BR is equal to or congruent to line TR.
*wink face lol*