Daniel rides his bike his bicycle 21 km west and then 18 km north. how far is he from his starting point? give me the answer to all if you can

because its not ur topic and its not for is for homework not that.

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.

true

step-by-step explanation:

it is more then likely a review to you prepare for an upcomign test or quiz