Question

(ii) Heron’s formula for area of triangle is not valid for all triangles.
(b) Write the rationalising factor of
(c) 2√3 +√3 is equal to
(i) 2√6 (ii) 6 (iii) 3√3 (iv) 4√6
(d) Without actual division, find whether 329/400 is a terminating or non termination decimal.
(e) Area of rhombus of diagonals 10cm and 24 cm is ____.
(f) The length of each side of an equilateral triangle having an area of 9√3 cm2 is
(i) 8cm (ii) 36cm (iii) 4 cm (iv) 6cm
(g) If the sum of two adjacent angles is 100⁰ and one of them is 35⁰, then the other angle is ____.
(h) Corresponding angles lie on the ____side of the transversal.
(i) Area of an equilateral triangle, of each side 2a units is
(i) √3/4 a2 sq.units (ii) 3/2 a2 sq.units (iii) √3 a2 sq.units (iv) None of these

Answer 1

Answer:

ii) False

c) answer = 3(cube root sign)3

d) non - terminating

e) 240 cm

f) 6 cm

g) 65 degrees

h) opposite

i) The answer is the first Option