Equilateral Triangle Theorem

Q. If two angles are congruent and one of them measure 60 degrees, then the other measures ______.

1. 60 degrees
2. 50 degrees
3. 70 degrees
4. 80 degrees

Q. All the angles in an equilateral triangle is equal to?

1. 30 degrees
2. 90 degrees
3. 60 degrees
4. 45 degrees

Q. All three angles of a triangle always add upto .

1. ${180}^{\circ }$
2. ${90}^{\circ }$
3. ${360}^{\circ }$
4. ${270}^{\circ }$

Q. If all the angles of a triangle are equal then it is said to be __.

1. a isosceles triangle
2. a right angled triangle
3. a scalene triangle
4. an equilateral triangle

Q. If 3 sides of one triangle are equal to the three sides of another triangle, then the two triangles are .

1. congruent by SSS
2. congruent by SAA
3. congruent by SAS
4. congruent by SSA

Q. All the sides in an equilateral triangle are:

1. distinct
2. 1 cm
3. equal
4. 6 cm

Q. If $\Delta ABC$ $\cong$ $\Delta DEF$ by SSS congruence, then, match the corresponding equal sides.

1. DE
2. EF
3. FD

Q. If $\Delta ABC$ $\cong$ $\Delta DEF$ by SSS congruence, then, match the corresponding equal sides.

1. DE
2. FD
3. EF