BLANKS [1 Marks Each]

Questions

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5 questions · timed · auto-graded

Question 11 Mark

1 hectare = __________ m².

Answer

1 hectare = 10000m².

Solution:

since 1 hecta metre = 100m

1 hectare = (100 × 100)m²

= 10000m²

Question 21 Mark

If l, b and h be the length, breadth and height respectively of a room, then area of its 4 walls = __________ sq units.

Answer

If l, b and h be the length, breadth and height respectively of a room, then area of its 4 walls = [2h(l + b)] sq units.

Question 31 Mark

If d₁and d₂ be the diagonals of a rhombus, then its are is __________ sq units.

Answer

If d₁and d₂ be the diagonals of a rhombus, then its are is $\frac{1}{2}\text{d}_1\text{d}_2$ sq units.

Question 41 Mark

If each side of a triangle is a cm, then its area = __________ cm².

Answer

If each side of a triangle is a cm, then its area $=\frac{\sqrt{3}}{4}\text{a}^2$ cm².

Question 51 Mark

1 are = __________ m².

Answer

1 are = 100m².

BLANKS [1 Marks Each] - MATHS STD 7 Questions - Vidyadip

MATHS BLANKS [1 Marks Each]