Lk = x cosOk + y sinOk - Pk = 0 , k= 1,2,3 are three sides of a triangle. Prove that orthocentre is given by L1 cos( O2 - O3 ) = L2 cos( O3- O1 ) = L3 cos( O1- O2...

Lk = x cosOk + y sinOk - Pk = 0 , k= 1,2,3 are three sides of a triangle. Prove that orthocentre is given by L1 cos( O2 - O3 ) = L2 cos( O3- O1 ) = L3 cos( O1- O2...

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A line through (6,2) forms a triangle with the positive arms of the coordinate axes. If the area of the triangle is 27 units^2, find the equation of the line.

I know the angles add up to 180, but im not sure how to set up the rquation to begin solving it.

The length of each side of a square is 3 in less than of a side of an equilateral triangle. If the perimeters of two figures are the same, what is the measure Of the sides of each figure?

In triangle DEF, angle E is the same as angle D. Angle F is four less than twice angle D

One angle of a triangle measures 76∘ more than the smallest, while a third angle is twice the smallest. Find the measure of each angle.

A tree is supported by a wire anchored in the ground 3 feet from its base. The wire is 1 foot longer than the height that it reaches on the tree.

One side of triangle is 5 more than 2 times the shortest side. The third side is 9 feet more than the shortest side. The perimeter is 50. Find all three sides.

Solve stepwise solution

Detail of figure - draw a triangle ABC with length AB = c ,length AC = b ,length BC = a ,show in the figure drawn . Solve this stepwise solution with figure Inequalities...

Detail of figure - draw a quadrilateral ( trapezium ABCD of any length ) in which AC and BD are diagonals intersect each other at point O . PLEASE SIR SOLVE THIS QUESTION...

Detail of figure - draw a quadrilateral ( trapezium ABCD ) in which AC and BD are diagonals intersect each other at point O . PLEASE SIR SOLVE THIS QUESTION WITH...

Hello guys, i need a bit of guidance with this problem; In a truncated right cylinder, the top plane makes an angle of 45deg horizontal. and the shortest and longest elements are 27...

I do not understand how to set up or solve this equation

The perimeter of triangle ABC is 54. The triangle has

If ABC is a triangle and D and E are points on AC and AB. BD and CF intersect at F. Areas of FBE, BFC and FDC is 10,20 and 16, find the area of AEFD

ABC is a triangle. D is the center of BC . AC is perpendicular to AD. prove that cos(A)⋅cos(C)=2(c^2−a^2)/3ac

i) Predict the number of toothpicks needed to make a triangle with 100 toothpicks on one side. Show your work. j) If you only had 300 toothpicks. What would the side length of the biggest...

Two ships sailed from Point A at the same time. One sailed 28 nautical miles due east in 4 hours and the other sailed 36 nautical miles in the same time on a bearing of 158ºT. Find the distance between...

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