1 Marks Question

Questions

🎯

8 questions · timed · auto-graded

Question 11 Mark

Let $\Delta$ be the area of a triangle. Find the area of a triangle whose each side is twice the side of the given triangle.

Answer

$4 \Delta$

Question 21 Mark

If each side of an equilateral triangle is tripled then what is the percentage increase in the area of the triangle?

Answer

$800 \%$

Question 31 Mark

Find the area of a triangle whose sides are 3 cm, 4 cm and 5 cm respectively.

Answer

$6 cm^2$

Question 41 Mark

Find the area of a triangle whose base and altitude are 5 cm and 4 cm respectively.

Answer

$10 cm^2$

Question 51 Mark

Find the area of an isosceles triangle having the base x cm and one side y cm.

Answer

$\frac{x}{2} \sqrt{y^2-\frac{x^2}{4}}$

Question 61 Mark

Find the area of an equilateral triangle having each side x cm.

Answer

$\frac{\sqrt{3} x^2}{4}$

Question 71 Mark

Find the area of an equilateral triangle having each side 4 cm.

Answer

$4 \sqrt{3} cm^2$

Question 81 Mark

Find the area of an equilateral triangle having altitude h cm.

Answer

$\frac{h^2}{\sqrt{3}} cm^2$

Maths 1 Marks Question