Geometry Answers

A teacher's 2 inch by 5 inch cell phone screen is projected on a wall

with a scale factor of 1:25 to demonstrate a new teaching app. What is the area

of the projected image in square inches?

The perpendicular distance d from the point (2,3) to the line 3x+4y+2=0 is

Find the area of the semicircle 14 in

Find the complement of the angle 2/3 of 90°

Find the complement of angle 2/3 of 90°

1. the triangle ABC is right-angled with right angle at C. the height from the corner C divides the hypotenuse into two parts with one length 1 and the other 4. What is the circumference of the triangle.
2. given a right triangle with catheter lengths a and b, determine and enter the length of the bisector at the right angle.
3. a rectangle has a diagonal length d. the acute angle between the diagonals is x. given that cos (x) = p, determine and state the length of the shorter sides of the rectangle as a function of p
4. Given a > 1, what is the biggest solution to: (1/x-1) ≥ a/(x+1)
5. Of cos x = p, and pi/2<x<pi. Give a expression for tan x

P(5,2) , Q (7,4)

a dilation with center c and a scale factor k maps A onto D and B onto E . If AB = 4 and DE =10 , find k

Amir wants to build a box to keep his toys in. The box is 6 m long, 2 m wide, and 3 m high. The cost of materials to build this box is $2.00 for each cubic metre.

The width of a rectangular tank is X cm. It's height is 2/3 it's width and it's length is four times it's height. The volume of the tank in litres is