Answer to Question #38325 in Geometry for Sarah

Question

1: prove the triangle ABC whose vertices: A(5,1) B(2,5) C(-1,1) is an isosceles triangle then find the perimeter.

2: If C is midpoint of line AB where A(-3,y) B(3,12) C(x,7) find the value of x and y.

3: find the equation of straight line of slope 1/2 and passing through point (2,5)

4:ABC is a right angled triangle @ B where AB=5cm. AC=13cm. find m(angle C) and prove sin A cos C + cos A sin C=1

5: the equation of 2 straight lines L1, L2 are X-4Y-3=0, Y=k X +5 find value of the 2 straight lines L1 L2 (parallel) (perpendicular)

6: 3X-4Y-3=0 and k Y +4X-8=0 are perpendicular then k=?

Answer 1

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