math

posted by .

Jeff is building triangles with different lengths of cm rods. He has two rods measuring 6cm and 9cm. Which of the following would not form a triangle if laid them end to end? 3cm,5cm,6cm or 9cm?

  • math -

    3cm. 6cm+3cm just equal the third side, 9cm, making aline, not a triangle.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    A stairwell is supported by two circular steel rods at one end. The other end supported above. The two steel rods are subjected to a total load of 12,800lbs. The rods are 24 ft long and E=30*10^6 psi. Select the rod based on the following …
  2. math

    if a triangle has side lengths of 6cm, 9cm and x cm, what are possible values for x?
  3. math ap

    how can you use four rods that measure 2cm, 5cm, 7cm, and 9cm to measure a length of 1 cm?
  4. math

    the sides of a polygon have lengths of 2cm,5cm,6cm,4cm,9cm and the perimeter of a smaller polygon is 78cm Find the length of the sides of the larger polygon
  5. Math

    What is the area of a parallelogram with side- 6cm, 6cm, 9cm, 9cm?
  6. math

    in a set of number rods,there is one rod of length 10,2 rods of length 9,3 of length 8,and so on.If all these rods were laid end to end in one line,how long would the line be ?
  7. physics

    A 1.0-m thin rod of aluminum is laid end-to-end with a 1.0-m thin rod of steel. The rods are initially at 25 oC. What is the total length of both rods when heated to 450 oC?
  8. PHYSICS

    Two parallel METAL rods form a plane inclined at 20.0° to the horizontal. The upper end of the rods are connected together by a resistor of 118.0 Ω. The lower end of the rods are held in an ELECTRICALLY INSULATING block. They …
  9. math

    In an isosceles triangle ABC in which AB=AC=6cm is inscribed in a circle of radius 9cm .find the area of triangle
  10. math

    Which of the following measurements, in centimeters, could be the lengths of the sides of a triangle?

More Similar Questions