Questions on Geometry: Geometric formulas answered by real tutors!

Tutors Answer Your Questions about Geometric formulas (FREE)

Question 77627: The width of a rectangle is 7 ft. less than the length. The area of the rectangle is 120 ft 2(square). Find the width of the rectangle.
Click here to see answer by vertciel(183)

Question 77779: What are the next five terms in the sequence:
2, 1/2, 2/9, 2/16, 2/25.....?
Click here to see answer by REDNECK WOMAN(1)

Question 83150: The geometric mean of 4 and x is 16. Solve for x.
I got: 64
Is this correct?
Thanks!
Click here to see answer by kev82(151)

Question 83148: Find the exact distance between point A (7,1) and point B (-4,10) using the distance formula.
I got: AB = Square root 202
Is this right?
Thanks!
Click here to see answer by kev82(151)

Question 83306: find the equation of the parabola with its vertex at the point of orgin and the focal point F(0,2)
Click here to see answer by dolly(163)

Question 83305: find the value of f(0) of the function
f(x)= 3x(to the second power) + 2x + 5
Click here to see answer by dolly(163)

Question 83358: using the 45 45 90 triangle formula , if a traingle has a side of 8cm and a 45 degree angle, how would you solve for the other sides
Click here to see answer by vertciel(183)

Question 83426: given:< dac congruent to angle eca,angle 1 congrent to angle 2
Click here to see answer by rapaljer(4671)

Question 83586: Help Please.
determine whether each of the following trinomials is a perfect square. If it is, factor the trinomials.
x^2-24x+48
Click here to see answer by bucky(2189)

Question 83588: Use the ac test to determine which of the following trinomials can be factored. Find the values of m and n for each trinomial that can be factored.
x^2+2x-15
Click here to see answer by jim_thompson5910(35256)

Question 83587: I don't understand what to do, would someone help me please. Thank you
Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms.
3a^3+3ab^2+2a^2b+2b^3
Click here to see answer by Earlsdon(6294)

Question 83585: Factor each of the following trinomial completely please with a step by step explanation so I can understand what you did and how you did it. Thank You
2a^3 - 52a^2 b + 96ab^2
Click here to see answer by uma(370)

Question 84678: Directions: Illustrate the following and label the diagram.(basic terms in geometry)?? if don't understand, never mind!!!!!!!
l and m intersect at E.

Click here to see answer by rapaljer(4671)

Question 85364: the mall manager plans to put tables in the plaza for customers who eat at the food court. How many square yards of the courtyards of the courtyard can be used to create a dining area?
(assume the planters are identical and each is a right triangle.)
A.195
B.184.5
C.174
D.150.6
Click here to see answer by stanbon(75887)

Question 85831: express the perimeter p of a rectangle as function of it sides a and b and compute the perimeter when a=3 and b=5
Click here to see answer by bucky(2189)

Question 87340: find the area of a regular dodecagon with side 4cm

Click here to see answer by favegirl13(22)

Question 87904: how exactly do i get orderded pairs for the eguation it was an equation y=-x2+3x+3 then i the farthest i gotten on my formula is -3+- the square root of 21 divided by -2
Click here to see answer by jim_thompson5910(35256)

Question 87875: Geometry. The lenght of a rectangle is 2 in. more than twice its width. If the perimeter of the rectangel is 34 in., find the dimensions of the rectangle.
Click here to see answer by rapaljer(4671)

Question 88345: I tried, actually I have no idea how to solve this problem. Please help me solve this problem:
EXPONENTS:
Simplify.
#23.
Please and Thank you!!!!
Click here to see answer by Earlsdon(6294)

Question 88342: I tried to look through my old math books but I didn't find anything on this problem. Please help me solve this problem:
Find the value of k so that the given line has the given slope.
#5.(k+5)x+6y=42;m=4/3
Please and Thank you!!!!
Click here to see answer by ankor@dixie-net.com(22740)

Question 88347: Please help me solve this problem:
EXPONENTS:
Simplify.
#24.
Please and Thank you!!!!
Click here to see answer by bucky(2189)

Question 88340: I tried looking up on the internet but I couldn't find anything helpful on domain and range. Please help me solve this problem:
Use the following functions to answer the questions over the set of real numbers: g(x)=(x+3)/(2x-5)
#12.
Please and Thank you!!!!
Click here to see answer by Nate(3500)

Question 88338: I tried to look up how to solve domain and range equations but I couln't find anything. Please help me solve this problem:
Use the following functions to answer the questions over the set of real numbers: f(x)= -x^2 - 3x + 5
#11.
Please and Thank you!!!!

Click here to see answer by Nate(3500)

Question 88296: I have a rectangle (yard) whose sides are 101,195,106,181. How do I find the square feet of this shape? Thank you in advance for your help.
Click here to see answer by checkley75(3666)

Question 89409: WHAT IS A THREE DIMENSIONAL OBJECT WHICH HAS ONE BASE WITH SIDES OF THE SAME LENGTH?
Click here to see answer by Edwin McCravy(20056)

Question 90120: Find the volume and surface area of a sphere with a radius of 4 inches.
Click here to see answer by jim_thompson5910(35256)

Question 91351: What is the complimentary and supplementary angles of 26 degrees?
Click here to see answer by tutor_paul(519)

Question 91521: hi, i tried to find a formula that will give me the area of a pentagon or any other polygon when i only know it perimeter. so please can you help me.
thanks a lot.
bye!
Click here to see answer by stanbon(75887)

Question 91320: hi, i had some problems solving this question: 'how to find the area of a regular and a irregular heptagon'
so please can you help me with this problem.
thanks a lot!

Click here to see answer by mathispowerful(115)

Question 92400:



What are the next five terms in this sequence?:

3,10,5,16,8,4,2,1,4.... ??? 


Click here to see answer by Edwin McCravy(20056)

Question 92674: use the table and inductive reasoning. make a conjecture about each value.
Question: What is the sum of the first 6 positve even numbers. and the sum of the first 100 positive numbers. here is the table
2 =2=1*2
2+4 =6=2*3
2+4+6 =12=3*4
2+4+6+8 =20=4*5
2+4+6+8+10 =30=5*6
Click here to see answer by scott8148(6628)

Question 82286: If the area of the base of a rectangular prism is 24 cm2 and its volume is 144 cm3, what is the height of the prism?
Click here to see answer by edjones(8007)

Question 94561: Find the volume of a cone with a radius of 10ft. and a height of 18 ft.
Click here to see answer by Earlsdon(6294)

Question 95052: Geometry. The length of a rectangle is 1cm longer than its width. If the diagonal of the rectangle is 4 cm, what are the dimensions (then length and the width) of the rectangle?
Click here to see answer by ionesco(12)

Question 95055: A ball is thrown upward from the roof of a building 100m tall with an initial velocity of 20 m/s. When will the ball reach a height of 80 m ?
Click here to see answer by scott8148(6628)

Question 95210: A rectangle is three times as long as it is wide. If its length and width are both decreased by 2cm, its area is decreased by 36 cm sqaure. Find its original dimensions.
Click here to see answer by edjones(8007)

Question 95213: im having a really hard time trying to slove this problem.
i tried using differnet formulas and i still can't fingure it out.
Click here to see answer by krb88417(2)

Question 95532: The length of a rectangle is 5 cm more than 4 times its width. If the area of the rectangle is 80 cm2, find the dimensions of the rectangle to the nearest thousandth.
Please Help!
Click here to see answer by stanbon(75887)

Question 95703: #32) The lengths of the sides of three squares are s, s+1, s+2. If their total area is 365cm^2, find their total perimeter.
Click here to see answer by checkley71(8403)

Question 95760: What is the formula in finding the area of a hexagon, heptagon and octagon?
Click here to see answer by Edwin McCravy(20056)

Question 95850: A square has diagonals of length 8 cm. Find the length of its sides.
Click here to see answer by checkley71(8403)