The angle bisector theorem states that:
select one:
a. the sum of the opposite side of the bisector equals the sum of the other two sides.
b. the product of the opposite side of the bisector is in proportion to the sum of the other two sides. incorrect
c. the ratio of the opposite side of the bisector is equal to the ratio of the other two sides.
d. none of the above.

The angle bisector theorem states that the bisector divides the opposite side of triangle into 2 segments that are equal to the triangle's other 2 sides. so the answer is C.

The answer to your question is i think 7

Intersecting secant-tangent theorem states that if a tangent segment and a secant segment are drawn to a circle from an exterior point, then the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment.so to break it down: 1. pq acts as the tangent and ps as the secant with an intersection at p.sr = 21rp = 3x + 3pq = 4x + 4following to equation: tangent squared = the two segments multiplied by each otherso (4x + 4) ^ 2 = (3x + 3) • (21) simplifies to 16x^2 - 31x - 47 = 0 or (16x - 47)(x + 1) x = -1 or x = 47/162. pq acts as the tangent and ps as the secant with an intersection at p (again! )sr = 16rp = xpq = 15(15) ^ 2 = 16 • x225 = 16xx = 225/163. the interesting chords are proportional to each other so a ratio is possible to set up: ap dp 10 3 + x = = —— = pc pb 8 xcross multiple to get 10x = (3 + x)(8)x = 12