Questions on Geometry: Geometric formulas answered by real tutors!

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Geometric and Other Formulas

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Question 33328This question is from textbook Glencoe Geometry
: If J,K, and L each represent a different digit in the multiplication problem below, what digit does J represent? 37 × 2J ———— L4K 74 ———— 88K
This question is from textbook Glencoe Geometry

Click here to see answer by sarah_adam(201)

Question 33516: What is a stem-and-leaf plot and how do you figure it out.

Click here to see answer by Cintchr(475)

Question 33487: A shape has 7 sides and 7 angles. The angles are 100,146,133,144,130, and x. What is the value of x in degrees?
Click here to see answer by venugopalramana(3286)

Question 33485: What is the length of Arc AB? The diameter goes from A to B and it is 180 degrees. The radius is 14 ft.(from A to the center)
Click here to see answer by venugopalramana(3286)

Question 33486: In the diagram, the length of Arc AB is (3y-9)times pi. What is the value of y?
The circle's center from a to b is 144 degrees and has a radius of 12.

It is hard to explain a question when you cant draw a picture. sorry
Click here to see answer by longjonsilver(2297)

Question 33556: A smaller cube has a volume of 64 cubic feet and a larger cube has a volume of 343 cubic feet. What is the scale factor of the smaller cube to the larger cube?
Click here to see answer by Earlsdon(4898)

Question 33558: A carton is being redisigned. What is the ratio of the volume of the carton with the new design to the volume of the carton with the old design? The old design has a length of 10 in. a width of 8 in. and a height of 4 in. The new design has a length of 10 in. a width of 6 in. and a height of 6 in. The answer is either
A 8:9
B 1:1
C 6:5
D 9:8
Click here to see answer by Cintchr(475)

Question 34854: What is the formula for the volume of a rectangular prism?
Click here to see answer by usyim88hk(157)

Question 35223: If each dimension of a box is quadrupled, how are the surface area and the volume affected?
Click here to see answer by venugopalramana(3286)

Question 35222: Assume that the only area formula you know is the formula for the area of a triangle. Explain how to derive the formula for the area of the trapezoid
Click here to see answer by venugopalramana(3286)

Question 35266: Find the surface area of a right circular cylinder that is 6cm in diameter and is 12cm in height.
Click here to see answer by prabhjyot(164)

Question 35376: 1.)A cone has a circular base with radius 50cm and slant height 90cm. Find the surface area.
Click here to see answer by Nate(3495)

Question 35442: If possible, descibe a geometric figure that can be transformed into itself by each of the following:
reflection
rotation
translation
glide reflection
Click here to see answer by Nate(3495)

Question 35979: If you know the height and area of a trapezoid can you find the lengths of its bases?
Click here to see answer by venugopalramana(3286)

Question 28259: What is the area of a square if one side measures (x+3)
Click here to see answer by tran3209(100)

Question 36669: AN octagon has eight sides of varying lengths. What is the sum of the measures of its interior angles?
Click here to see answer by stanbon(26252)

Question 35529: I have trouble with these remaining problems i could use some help answering these thank you
Geometric sequencing
three of the five variables a1, an, r, n, and Sn are given. Find the two variables not given.
a1 = 10, r = 3, n = 5
a1 = 4, an = 324, r = 3
an = 24, r = , n = 4
Sn = 1022, r = 2, n = 9
Click here to see answer by venugopalramana(3286)

Question 36767This question is from textbook
: im not sure if this is the right place to post this question, so if its not please let me know =)can some please check my answers and explain if and how im wrong, thank you
identify the units on x
x=yz if y and z are measured in feet
MY ANSWER: x=feet
x=3y^2 if y is measured in inches
MY ANSWER x/3=y^2
x=t^3 if t is measured in seconds
MY ANSWER t=seconds
x=4F^2d if F and d are measured in meters
MY ANSWER x/4=F^2*dThis question is from textbook

Click here to see answer by longjonsilver(2297)

Question 36813This question is from textbook
: can someone please check my answers, thank you
in the following equation, if x is measured in meters and t is measured in seconds, identify the units on the variable v
x=vt
MY ANSWER v=meters/seconds
in the following equation, determine the units on t if S is measured in dollars and p is measured in dollars per year
S=pt
MY ANSWER t=dollars/dollars per yearThis question is from textbook

Click here to see answer by wuwei96815(245)

Question 37050: suppose that your school day begins at 7:30 am and ends 3:00 pm, You eat lunch at 11:00 am. If there is a fire drill at random time during the day, what is rthe probability that it begins beore lunch?
Click here to see answer by checkley71(8405)

Question 37056This question is from textbook Geometry-reasoning applying measuring
: Buses arrive at a resort hotel every 15 minutes. They wait for 3 minutes while passengers get on and off, and then the buses depart. What is the probability that there is a bus waiting when a hotel guest walks out of the door at a randomly chosen time?This question is from textbook Geometry-reasoning applying measuring

Click here to see answer by stanbon(26252)

Question 37051This question is from textbook Geometry-reasoning applying measuring
: A circle with radius of square root of 2 units is circumscribed about a square with side length 2 units. Find the probability that a randomly chosen point will be inside the circle but outside the squareThis question is from textbook Geometry-reasoning applying measuring

Click here to see answer by stanbon(26252)

Question 37077This question is from textbook

: Is (√x)^2=x an identity (true for all values of x)? Please explainThis question is from textbook

Click here to see answer by wuwei96815(245)

Question 37077This question is from textbook

: Is (√x)^2=x an identity (true for all values of x)? Please explainThis question is from textbook

Click here to see answer by jcmtnez(53)

Question 37082This question is from textbook Geometry-reasoning applying measuring
: I have a hexagon and its side lengths are of 14cm, and it has a circular bulls eye right in the muddle with a diameter of 3cm. what is the probability that the dart that hits the target will hit the bulls eye?
Also it asks to estimate how many times a dart will the bulls eye if 100 darts hit the target? This question is from textbook Geometry-reasoning applying measuring

Click here to see answer by fractalier(1804)

Question 37344: How do i calculate the area of a piece of land with unequal dimensions, such as a trapezium and scalene triangle
Click here to see answer by AnlytcPhil(958)

Question 37343: How do I calculate the area of a piece of land with unequal dimensions, such as a trapezium
Click here to see answer by AnlytcPhil(958)

Question 38044: What are the area formulas for a cone, pyramid and sphere?
Click here to see answer by lyra(94)

Question 36668: in a trapezoid the sum of the base is 28 and the area is 84. what is the altitude of the trapezoid?
Click here to see answer by Evy(14)

Question 35913: Explain why a regular pentagon cannot tessellate a plane
Click here to see answer by fractalier(1804)

Question 35268: 1.) What happens to the surface of a sphere if the diameter is tripled?
2.) Draw a rectangle ABCD and then contruct a line such that the image of the rectangle under reflection in the line is the original rectangle. Is there more than one line with this property?
Click here to see answer by Nate(3495)

Question 39514: The quotient when 3 more than a number is divided by less than that same number

Write each of the following geometric expressions using the given symbols

If you can please help me.I got this problem wrong,and I would like to know how to do it correct. Thank you
Click here to see answer by fractalier(1804)

Question 39702: what is the volume formula for a triangle and a trapazoid
Click here to see answer by stanbon(26252)

Question 40114This question is from textbook geometry, measuring, reasoning, applying
: The endpoints of a diameter of a circle are (-2,1) and (6, -5).
Write the standard equationof the circle?This question is from textbook geometry, measuring, reasoning, applying

Click here to see answer by longjonsilver(2297)

Question 40113This question is from textbook geometry, measuring, reasoning, applying
: What is the sum of the measures of the interior angles of a convex polygon with 25
sides?This question is from textbook geometry, measuring, reasoning, applying

Click here to see answer by fractalier(1804)

Question 40115This question is from textbook geometry, measuring, reasoning, applying
: Describe the locus of the points.
Points that are equadistant from the vertices of the polygon.This question is from textbook geometry, measuring, reasoning, applying

Click here to see answer by fractalier(1804)

Question 40577: ok!!! i have an exam coming up and i need help in geometry!!! How would i find using the pthagorean theam values of x in a triangle with a 90 degree angle and side a=6 side b=x and side c=8?
Click here to see answer by stanbon(26252)

Question 40621: what is the projection of vector a on to vector b when the angle between them is equal to 0?
i know the formula and stuff but i am not sure wherther the answer is -a or a as to get a projected onto b one of them needs to change direction...
Click here to see answer by stanbon(26252)

Question 40718: prove by mathematical induction that x-y is a factor of x^n- y^n
Click here to see answer by venugopalramana(3286)

Question 35911: Draw a rectangle ABCD and then construct a line such that the image of the rectangle under reflection in the line is the original rectangle. Is there more than one line with this property?
Click here to see answer by astromathman(21)

Question 35375: A toy manufacturer wants to design a wooden square pyramid whoose volume is 8000 cm cubed. Design such a pyramid. Make a sketch and show the dimensions of the base and the altitude.
Click here to see answer by astromathman(21)

Question 29506: How do you find the height of a pyramid?
Thanks,
Grace
Click here to see answer by astromathman(21)

Question 31855: x2 + y2 -8519.454x - 16451.344y + 85750785=0
where x2 means x to the second power
Click here to see answer by astromathman(21)

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