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line k passes through the two points (-7,-4) and (8,1) what is the equation of a line perpendicular to line m passing through (0,4)
need the equation
Help with rhombus?
if d2 of the rhombus is 14, and one side is 25, what is the area?
Finding volume of a tetrahedron
The edge is 12 and the height is 12 for the tetrahedron. I know that tetrahedron consists of 4 equilateral triangles. I have a problem with finding the volume because i had two answers. first...
How to find the volume of a frustum?
The frustum has: radii of the top circle base is 9. the radii of the bottom circle is 12. The slant height is 6. I know you draw the frustum into a cone by extending it. Then you do the volume...
Numbers forming a triangle and right triangle
When given by here numbers, how do you tell if it can form a triangle? Also a right triangle?
The formula to find the perimeter of a rectangle is: P = 2W + 2L. To solve for " W " in this formula, which steps should be followed?
i need the answer
If the sum of two pages is 19 and the sum of the next is 2, what page was I reading?
I noticed that the sum of the digits of the number on the page I was reading was 19, and the sum of the next digits on the page was 2. What was the number of the page I was reading?
A person in a 60ft tall tower is looking down 18 degrees at a fire how far away is the fire from the person
absolutely urgent ghavdieveudbekeuehenevv
A right rectangular prism has a total surface are of 512. If all of the edges are congruent, find the length of one of them
Help! I don't know how to start!
What is the resolution to these questions?
Triangle ADE is inside rectangle ABCD. Point E is halfway between points B and C on the rectangle. Side AB is 8cm and side AD is 7cm. Part A: What is the area of triangle ADE? Show work. Part...
Reduction of inside diameter of a steel hoop.
Hello, I need to reduce the inside diameter of the 5mm thick, flat bar, steel tuning hoop on a conga drum and would like to know how to calculate exactly how much material I need...
A park has a circular goldfish pond. What is A, the approximate area of the surface of the pond, if it's radius is 5 feet?
I need help
How to identify Points, Segments, Lines and Rays.
I'm lost! I need to know how to explain this to my daughter
What's a ray?
Identifying points, lines segments and rays
How far was woodpecker above the ground?
Woodpecker pecked at a 19m wooden pole until it cracked and the upper part fell with the top hitting the ground 10m from the foot of the pole. Since the upper part had not been broken completely woodpecker...
.what is the length of three sides of the triangle
the perimeter of a triangle is 43ft. The shortest side is one-third of the length of the middle side. The longest side is 3ft more than four times the shortest side. find the lengths of the three...
A cube has how many corners
in regards to geometry
What is the difference between a vertex and an angle?
I am 64 and missed schooling because of childhood hospitalisation. I'm embarrassed about how little I know of maths and have been reading thru the about.math site. A Kindergarten! geometry question...
Why do we need proofs in Geometry?
I am doing geometry and we are studying proofs. Why do we need proofs in geometry? What purpose do they serve in geometry?
how to find measures of a triangle whos second angle is 7 more than the first angle,the third angle is 23 more than three times the first angle
how to find measures of a triangle whos second angle is 7 more than the first angle,the third angle is 23 more than three times the first angle its a triangle
