Geometry Answers

Two parallel chords through a circle, one 16cm and one 30cm, are 23cm apart
What is the radius of the circle?

what is the circumference of a circle with a diameter of 39 centimeters?

A cable 20 feet long connects the top of a flagpole to a point on the ground that is 16 feet from the base of the pole. How tall is the flagpole?

a rectangular is used for a gift. how much wrapping paper would it need if its dimensions are 8in by 4in by 5in?

find the lenghts of the missing sides in the triangle. Write your answers as integers or as decimals rounded to the nearest tenth.
7 y
x at 45 degree angle

The volume of a triangular prism is 1,440 cm^3. The base is a right triangle with legs of 8 cm and 15 cm. Find the height of the triangular prism

ABC is a triangle. P,Q,R are the points of the sides AB,BC,CA such that the ratio of AP:PB=2:5, BQ:QC=2::5 , CR:RA=2:5 . find the ratio of the areas of the triangle ABC and triangle PQR.

P,Q,R are the three points of a triangle ABC such that AP:PB =2:5 and BQ:QC=2:5 and CR:RA =2:5 . find the ratio of the area of the triangle ABC and triangle PQR .

a tree is supported by a wire anchored in the ground 5 feet from its base. The wire is one foot longer than the height that it reaches on the tree. find the length of the wire

Why is tan θ = slope of line ?