Questions on Geometry: Geometric formulas answered by real tutors!

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Question 200276: This is about vectors
find the magnitude and the direction of the resultant of vector y(7,0) and vector z(0,6).
I found the magnitude already,=SquareRoot of 85
What would be the Direction?
Do I have to graph the resultant, AND THEN find the direction by making a right triangle?
Click here to see answer by jim_thompson5910(35256)

Question 200378: M, J and A are points on a line where M and J are 10 cm apart and J and A are 18 cm apart. In how many ways can the three points be arranged on the line?Illustrate your answer.
Click here to see answer by RAY100(1637)

Question 200897: Can you please help me solve this perimeter problem? I'm not very good with word problems and I so desperately need help in learning how to do it right for class.
The word problem is: One side of a triangle is half the longest side. The third side is 10 meters less than the longest side. Ther perimeter is 45 meters. Find all three sides.
Click here to see answer by Alan3354(69443)

Question 201000: can you please help me solve (((What is the volume of a cube with edge 2? )))
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Question 201000: can you please help me solve (((What is the volume of a cube with edge 2? )))
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Question 200998: can you please help me solve (((Find the volume of a sphere with radius 3cm. Leave answer in terms of pie)))
Click here to see answer by nerdybill(7384)

Question 200997: can you please help me solve(((Find the total area of a cube with edge 4.)))
Click here to see answer by rfer(16322)

Question 200999: can you please help me solve (((The bolumes of two similar pyramids are 27 and 64. If the smaller has lateral area of 18 find the lateral area of the larger. (Hint: Apply Theorem 12-11.) )))
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Question 200996: can you please help me solve(((What is the area of an equilateral triangle with perimeter 12? )))
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Question 200996: can you please help me solve(((What is the area of an equilateral triangle with perimeter 12? )))
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Question 200995: can you please help me solve (((Find the area of a parallelogram with base 10 and corresponding height 4.)))
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Question 200995: can you please help me solve (((Find the area of a parallelogram with base 10 and corresponding height 4.)))
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Question 201138: can you please help me solve ((( A rectangular solid with length 8 and width3 has bolume 48. Find its height. )))
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Question 201144: can you please help me answer. ((( true or false If the volume of a cube is 1000, the length of each of its edges is 10. )))
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Question 201139: can you please help me solve ((( Two similar cones have heights 5 and 10. What is the ratio of their volumes? )))
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Question 201141: can you pleas help me solve ((( Find the total surface area of a cylinder with radius 3 and height 8. )))
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Question 201140: can you please help me solve ((( A sphere has area 64pie. What is its volume? )))
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Question 201143: can you please help me answer. ((( ture of false All lateral faces of regular pyramids are congruent rectangles. )))
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Question 201598: can you please help me solve ((( True or false The area of a sphere equals 4pie times the cube of the radius. )))
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Question 201597: can you please help me solve ((( True or false the height of a right cylinder with radius 5 and volume 100 is 2/pie?)))
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Question 201596: can you please help me solve (((Find the total surface area of a cylinder with radius 3 and height 8.)))
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Question 201596: can you please help me solve (((Find the total surface area of a cylinder with radius 3 and height 8.)))
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Question 201600: can you please help me solve (((Find the center of the circle with equation
(x-3)^2+(y+4)^2=25.)))
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Question 201599: can you please help me slove ((( True of false Two right circular cones with radii 4 and 8, and heights 10 and 20, respectively, are similar. )))
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Question 201595: can you pleas help me solve: (((Two similar cones have heights 5 and 10. What is the ratio of their volumes?)))
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Question 201711: can you please help me solve and show all work (((Given points r (-2,3) and s (5,1), find the slope of every line perpendicular to <->.)))
rs
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Question 201719: can you please help me solve ((( What is the y-intercept of line 2x + 3y=6? )))
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Question 201719: can you please help me solve ((( What is the y-intercept of line 2x + 3y=6? )))
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Question 201717: can you please help me solve (((What is the slpe of line y=3/4x-1? )))
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Question 201717: can you please help me solve (((What is the slpe of line y=3/4x-1? )))
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Question 201709: can you please help me solve and show all work (((Given points c (4,3) and d (2,-5), find the slope of every line parallel to <->.
cd
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Question 201716: can you please help me solve ((( An isometry maps an angle into a ________angle.)))
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Question 201715: can you please help me solve((( An isometry maps a triangle into a________triangle.)))
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Question 201800: can you please help me solve (((An altitude of a triangle is the ________ segment from a vertex to the line that contains the opposite side. )))
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Question 201798: can you please help me solve (((Two similar cones have heights 5 and 10. What is the ratio of their volumes?)))
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Question 201795: can you please help me solve ((( M(3,4) is the midpoint of line jk, where j has coordinates (1,2). Find the cooridinates of k. )))
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Question 201794: can you please help me solve ((( Find the coordinates of the midpoint of the segment that joins points (5,2) and (-3,8). )))
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Question 201871: Name the x and y intercept for 4x-6y = -24
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Question 201871: Name the x and y intercept for 4x-6y = -24
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Question 201799: can you please help me solve ((( A median of a triangle is a segment from a vertex to the ___________ of the opposite side. )))
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Question 201793: can you please help me solve((( An isometry maps an angle into a_____angle. )))
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Question 201801: can you please help me give the reason for this statment (((X is the midpoint of line pq and line rs)))
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Question 202026: The statue of Liberty stands on a 150 ft. pedestal. From a point 280 ft. from the base of the pedestal, the angle of elevation to the top of Liberty's torch is 47 degrees. Find the height of the statue.

Click here to see answer by nerdybill(7384)