Q-6 ... I will mark brainliest.. help me plz
Answers
Answer:
Hey mate here is your answer.
Problem:7
The length and breadth of Rehana: 14 meters and 12 meters.
So,l=14,
b=12,
And,the cost of constructing an equally wide path inside around the garden is ₹1380 at the rate of ₹20 per m²,
So,to find the width of the path you need to find the area:
Area of the path is the total cost for constructing the path/cost for constructing per m²,
=1380/20 m²,
⇒69 m² is the area of the path.
As,the length of the garden is 14 the length of the path will also be 14.
So,14*width=69,
Width=69/14,
4.9 m is the width of the park if wrong answer sorry.
Problem number 8:
Length of the rectangular garden is 40 cm,
Area is 1200 m²,
So,breadth =1200/40,
30 cm is the breadth of the garden.
And the diagnol is √l²+b²,
√40²+30²,
√1600+900,
√2500,
50 cm is the diagonol of the rectangle.
And mate 9 questions is not clear can you post again and if you have any doubt in any sum tell thsnk to my previous quetions i will inbox you.
Well 7 sum i am not clear sorry for that.
Hope it helps you.