Click the correct answer (True & False).
Click the correct answer.
The three angles of a triangle measure 40°, 40° and 100°. What type of triangle is it?
Scalene triangle
Right-angled triangle
Isosceles triangle
Equilateral triangle
From the same vertex of a scalene triangle, a median and an altitude are drawn to the opposite side. Which of the following is true?
Median < Altitude
Median > Altitude
Median = Altitude
Median = $$\frac{1}{2}$$ × Altitude
Which of the following is a Pythagorean triplet?
2, 3, 5
4, 5, 7
7, 24, 25
11, 35, 37
What is the area of a square having diagonal k cm?
k2 cm2
(k2 ÷ 2 ) cm2
2k2 cm2
None of these
Which of the following can be the measure of three angles of a triangle?
48°, 53° and 78°
56°, 63° and 51°
46°, 56° and 38°
75°, 45° and 60°
Which of the following can be the three sides of a triangle?
7 cm, 2 cm and 5 cm
4 cm, 3 cm and 5 cm
9 cm, 5 cm and 3 cm
4.5 cm, 2.5 cm and 1.5 cm
Click the correct answer.
The perpendicular drawn from the vertex of a triangle to the opposite side is known as
.
altitude
hypotenuse
median
The three medians of a triangle meet at a point known as the
.
centroid
orthocentre
hypotenuse
The point of intersection of three altitudes of a triangle is known as the
.
orthocentre
centroid
median
In a right-angled triangle, the square of the
is equal to the sum of the squares of the other two sides.
hypotenuse
altitude
centroid
The
of a triangle always lies inside the triangle.
centroid
altitude
orthocenter
A triangle in which all the three angles are acute (less than 90°) is known as
triangle.
acute-angled
obtuse-angled
right-angled
