Triangles Based on Sides

Q. A scalene triangle has all three equal sides.

1. True
2. False

Q.

Question 14
In the given figure, AB=BC and AD =BD = DC.

The number of isosceles triangles in the figure is
a) 1
b) 2
c) 3
d) 4

Q. A triangle has side lengths as 6 inches, 4 inches, and 9 inches. It is known as a/an _____.

1. equilateral triangle
2. isoceles triangle
3. scalene triangle
4. None of the above

Q. The given triangle is a/an triangle.

1. Scalene
2. Equilateral
3. Isosceles

Q. The given triangle is a/an triangle.

1. Isosceles
2. Equilateral
3. Scalene

Q. Select the type of triangle as shown by this mountain.

1. Scalene triangle
2. Isosceles triangle
3. Equilateral triangle
4. None of the above

Q. You measured the dimensions of a nacho as:
What type of triangle is this?

1. Equilateral triangle
2. Isoceles triangle
3. Scalene triangle
4. None of the above

Q. For a right triangle:


$a\times a=b\times b+c\times c$

1. True
2. False

Q. Select the correct one from the following options.

1. Figure 1 is an isosceles triangle.
2. Figure 2 is a scalene triangle.
3. Figure 3 is an equilateral triangle.
4. None of the above

Q. The type of triangle having sides $23\text{cm},45\text{cm}\&54\text{cm}$ is

1. Isosceles
2. Equilateral
3. Scalene

Q. The perimeter of the new triangle (P'Q'R') obtained on rotating the triangle PQR by 90° anticlockwise over origin is as that of the triangle PQR.

1. half
2. same
3. twice
4. one-fourth

Q. Based on what criteria can triangles be classified ?

1. side
2. angle
3. Both (a) and (b)

Q. You have two red sticks $4$ cm long and one orange stick with a length of $6$ cm. Is it possible to construct a right triangle using these three sticks?

1. Yes
2. No
3. I don't know