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- 1. Multiple-choice30 seconds1 pt
How many altitudes can a triangle have?

one

two

three

- 2. Multiple-choice30 seconds1 pt
A _____ connects a vertex of a triangle to the mid-point of the opposite side.

Altitude

Median

Opposite side

- 3. Multiple-choice30 seconds1 pt
An _____ angle of a triangle is equal to the sum of its interior opposite angles.

Exterior angle

Interior angle

Adjacent angle

- 4. Multiple-choice30 seconds1 pt
The total measure of the three angles of a triangle is ____

90

^{0}180

^{0}360

^{0} - 5. Multiple-choice30 seconds1 pt
If the two angles of a triangle are 50 degree and 70 degree, then the measure of third angle is _____

50

^{0}60

^{0}70

^{0} - 6. Multiple-choice30 seconds1 pt
A triangle in which all the three sides are of equal lengths is called an ______

Equilateral triangle

Scalene triangle

Isosceles triangle

- 7. Multiple-choice30 seconds1 pt
A triangle in which two sides are of equal lengths is called an _____

Scalene triangle

Equilateral triangle

Isosceles triangle

- 8. Multiple-choice30 seconds1 pt
The sum of the lengths of any two sides of a triangle is ____ than the third side.

greater than

less than

equal to

- 9. Multiple-choice30 seconds1 pt
In a right angled triangle, the side opposite to the right angle is called the _____

base

hypotenuse

perpendicular

- 10. Multiple-choice30 seconds1 pt
The difference between the lengths of any two sides is ____ than the length of the third side.

greater than

less than

altitude

- 11. Multiple-choice30 seconds1 pt
In a right angled triangle, if one angle is 45 degree then the measure of the third angle is ______

90

^{0}45

^{0}180

^{0} - 12. Multiple-choice30 seconds1 pt
In a triangle if all angles are equal, then the measure of each angle is ______

45

^{0}60

^{0}90

^{0} - 13. Multiple-choice30 seconds1 pt
If the Pythagoras property holds, the triangle must be _____

right angled

acute angled

obtuse angled

- 14. Multiple-choice30 seconds1 pt
Which is the longest side of a right angle?

perpendicular

hypotenuse

base

- 15. Multiple-choice30 seconds1 pt
The perpendicular line segment from a vertex of a triangle to its opposite side is called an ____ of the triangle.

altitude

median

base