Discuss the significance and growth of the service sector in modern
economic development.
The length of two sides of a
triangle are 7 cm and 9 cm. The
length of the third side may lie
between
(a) 1 cm and 10 cm
(b) 2 cm and 8 cm
(c) 3 cm and 16 cm
(d) 1 cm and 16 cm
Which of the following statements is not correct?
(a) The sum of any two sides of a triangle is greater than the third side
(b) A triangle can have all its angles acute
(c) A right-angled triangle cannot be equilateral
(d) Difference of any two sides of a triangle is greater than the third side
The perimeter of the rectangle whose length is 60 cm and a diagonal is 61 cm is
(a) 120 cm (b) 122 cm (c) 71 cm (d) 142 cm
If two angles of a triangle are 60° each, then the triangle is
(a) Isosceles but not equilateral (b) Scalene
(c) Equilateral (d) Right-angled
If in an isosceles triangle, each of the base angles is 40°, then the
triangle is
(a) Right-angled triangle (b) Acute angled triangle
(c) Obtuse angled triangle (d) Isosceles right-angled triangle
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