From a point inside an equilateral triangle, three perpendiculars are drawn on its three sides measuring 6cm, 8cm and 12 cm. What is the length of an arm of the equilateral triangle?
From a point inside an equilateral triangle, three perpendiculars are drawn on its three sides measuring 6cm, 8cm and 12 cm. What is the length of an arm of the equilateral triangle?
A pane of glass is 22 in * 35 in * .167 in thick. It is shattered into square pieces .125 in on a side .What is the percent increase in total surface area of glass? I keep getting 2...
A statue company uses one roll of wrapping paper to wrap forty 4 inch tall busts of Beethoven. How many rolls are needed to wrap 385 12 inch tall busts? The answer is, as a real...
On the equator at the at the vernal equinox, at noon a straight stick driven vertically in to the ground casts no shadow. What is the percent difference in the lengths of it's shadow measured at 1:45...
A roll of Scotch Tape has a diameter of 2.9 inches when new and 1.4 inches when used up. What is the diameter when it is half used up? I know the answer, it's aprox 2.28 inches. But, I don't know...
what is the probability that sge draws 1 blue marble and 2 green marbles?
Use the information in the diagram to determine the height of the tree to the nearest foot. A. 80 ft B. 264 ft C. 60 ft D. 72 ft Please help me with...
I need someone to check my work please. --- Complete the proof by filling in the missing reasons. Given: CB is perpendicular to BD, DE is perpendicular to EC, CB = DE Prove: Triangle...
Based on the given information, can you conclude that ?QRS≅?TUV ? Explain. Given: (QR) ≅(TU) ,(QS) ≅(TV) and <R = <U, prove ?QRS≅?TUV Please show...
Use the Distance Formula and the x-axis of the coordinate plane. Show why the distance between two points on a number line (the x-axis) is | a – b |, where a and b are the x-coordinates of the points...
I really need help on these types of questions. I just don't understand how to do them. I don't even understand what math this is lol (algebra 1,2 or geometry). Please help and please tell...
The sets of points created by the midpoints of all chords of length 4 cm in a circle of radius 8 is a A)point B)line segment C)line D)semicircle E)circle I...
Four distinct points are chosen at random on a circle. LIne segments are then drawn connecting every possible pair of these points. Theses line segments divide the interior of the circle into how...
Help with finding the radius of the oblique cyclinder. The volume = 192π cm². The right side is 12 cm. thanks
How do I do this problem?
A chord of a circle is 18 centimeters long, and the center of the chord is 12 centimeters from the center of the circle. Please help with this one as well. Thank you!!
need the answer in 2 minutes or less
The fact that goes with this is that the lengths of the three sides of triangle DEF are all different integers. I didn't get the correct answer. Please help.
Geometry
A plane contains 11 horizontal lines and 11 vertical lines. These lines divide the plane into disjoint regions. How many of these disjoint regions have a finite nonzero area. A)...