Question

find the value of x to the nearest tenth.

Answer 1

Find the final side length of that triangle using Pythagoras' theorem. Then multiply by two to find the length of the line.

Answer 2

Idea 1: a radius is a perpendicular bisector of a chord. In other words, it forms a right angle, and divides the chord (a line in a circle from one side to the other) into two equal parts.

Idea 2: pythagoras: a^2 + b^2 = c^2

those two ideas let you solve this problem

Answer 3

@phi i tried the pythagoras and i got confused on when i was supposed to multiply by 2.

Answer 4

your triangle is