Question

3. A rhombus-shaped sheet with perimeter 40cm and one diagonal 12 cm.
painted on both sides at the rate of Rs. 5 per m. Find the cost of painting
4. From a point in the interior of an equilateral triangle, perpendicular is dr
the th
12m 1cm and 60​

Answer 1

Answer:

Please find the answer below:

Step-by-step explanation:

3) Given d1 = 12cm

Perimeter = 40cm

then each side = 40/4 = 10cm

By applying pythagoras theorem we get;

10²-(d1/2)² = (d2/2)²

10²- 6² = ₩.