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# which fact is not sufficient to show that planes R and S are perpendicular?

FJ is contained in plane R, BC and DE are contained in plane S, and FJ, BC, and DE intersect at A. its hard for me

# What are all the rules/laws of a cirlce with intercepting lines, like medians and all those things?

I dont understand when there's a cirlce and multiple lines crossing what all the rules are for the ratio's of the lines, I remember learning something was one third of something else ? But i dont...

# what are some shapes that have at least 1 set of parallel sides and have a name

like square,rectangle,and trapazoid

# geometry: one endpoint of PQ is (-2,4). the midpoint of PQ is M (1,0).

explain how to find the PQ.

# What's a ray?

Identifying points, lines segments and rays

# 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?

# 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 cube has how many corners

in regards to geometry

# a 5 foot vertical pole casts a 3 foot shadow a tree casts a 20 foot shadow. find the height of the tree to the nearest tenth

2nd semester  dont know where to start

# .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 GARDEN IS SHAPED LIKE A RECTANGLE WHOSE PERIMTER IS 84 FT. LENGTH IS 2 FT. MORE THAN WIDTH.

FIND THE LENGTH AND WIDTH?

# What is the area of the triangle in cm

7 is on the base of the triangle & 13 is on the right side of the triangle

# Find the length of a diagonal of a rectangular box whose edges are 6cm, 8cm, and 10 cm

Find the length of a diagonal of a rectangular box whose edges are 6cm, 8cm, and 10 cm. Write all radicals in simplest form

# 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

# find the coordinates of the midpoint of the segment wuth the given pair of endpoints J(6,6) and K(2,-4)

need help finding the endpoints

# 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...

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