CBSE Class 7 Mathematics Triangles and Its Properties Assignment Set 05

True and False

Mark T/F against the following statements

Question. The sum of all angles of a \(\Delta\) is \(90^\circ\).
Answer: False

Question. The three sides of an isosceles \(\Delta\) are equal
Answer: False

Question. Each angle of an equilateral \(\Delta\) is \(90^\circ\)
Answer: False

Question. In a \(\Delta\), greater angle has the greater side opposite to it.
Answer: True

Question. The sum of any two sides of a \(\Delta\) greater than the third side.
Answer: True

Question. In a right angled \(\Delta\), the length of the hypotenuse is equal to the sum of the lengths of other two sides.
Answer: False

Question. Each angle of right angled \(\Delta\) is \(90^\circ\)
Answer: False

Question. The point of intersection of three medians is called orthocentre
Answer: False

Question. In an equilateral \(\Delta\), the median and altitudes meets the base at the same point.
Answer: True

Question. The altitude of an acute angled \(\Delta\) falls outside the \(\Delta\).
Answer: False

Question. A triangle can be constructed with sides \(2, 2, 5\text{ cm}\).
Answer: False

Question. A triangle can be constructed with three acute angles, keeping the total sum of three angles as \(180^\circ\).
Answer: True