Shad is 3 ft from a lamppost that is 12 feet high. He is 5-1/2 ft tall. How long is his shadow? Please show work. Thank you veryyyyyyy much. Karen thanks you...
I have got some problems about proofing, would you all give me your corrections on what I have done below? Thanks so much ;) Regards, Dhika The problems: 1....
Hello. I am trying to make an arm on my computer, but I am not sure how to calculate where the elbow goes. I have made a drawing with more details right here: ...
... Construct two circles: One centered at sx,sy radius U, the other at hx,hy radius L. The equations are (ex-sx)^2 + (ey-sy)^2 = U^2, (ex-hx)^2 + (ey-hy)^2 =...
Thanks Ben, I don't know how to solve TWO unknowns: (ex-sx)^2 + (ey-sy)^2 = U^2 (ex-0)^2 + (ey-0)^2 = 15^2 ex^2 + ey^2 = 225 ???? + ???? = 225 This could be ex...
Hello Roy, here's a solution: Let the apex angles of the three isosceles triangles be 2x, 2y, and 2z. Then
by elementary trignometry, the bases of the...
Squares are erected outwardly on the sides of a quadrilateral. Show that the two lines joining the centers of opposite squares are perpendicular and the same...
Simple program: just drag & drop a picturebox into your object window, then copy & paste the code below into your code window. You may have to fix the code a...
... Because, if you project a circular orbit with constant angular speed over a plane that is rotating with the same angular speed, the resulting figure _is_ a...
I still don't understand. Every textbook I've found has the same matrices for rotation around the x-, y-, and z-axes. But the program I wrote doesn't work...
Here are 2 questions which none of the students in our institution could solve : D is a point on the circumcircle of triangle ABC in which AB = AC such that B...
Does anybody know how to solve this problem? Given the 3 direction vectors emanating from one apex(P0, at the origin), d1,d2,d3, and the corresponding lengths...
Hi! I just joined this group and I have a problem, which I want you to help me solve. I have to prove that in a triangle ABC, if the angle bisector of A meets...
hi, i have a spirolateral problem that i was wundering if ne1 cud help me solve it. find a spirolateral that has at least 5 "leaves" or the 5 repeating...
After beating my head against the wall repeatedly, I decided to come online to find help with my Trig homework. I'm Allison, and currently taking Trig at my...
I'm stuck on the following problem: sin(a) - csc(a) = -cos(a)cot(a) Here is what I've done: On the left side I get: sin(a) - 1/sin(a) --> * both by sin(a) to...
sin(a)-csc(a)=?-cos(a).cot(a) sin(a)-(1/sin(a))=-cos(a).(cos(a)/sin(a)) Multiple both side with sin(a) sin^2(a)-1=-cos^2(a) Multiple both side with -1 ...
Hello ! To Every one ..... Well i need to know about shortest distance b/w two Stright lines .... plz help me also tell me formulas and i'll be kindfull if u...
... What do you mean? You have two lines in a 3D [or more] space, and you want to find the distance between them? Such as line1 = { P | P = A1 + B1 t1 } and ...
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