please solve the 21 question
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Answered by
1
Answer:
The cost of polishing frame=450Rs.
Step-by-step explanation:
Give That
l=15, b=6
Area of rectangular frame=l×b =15×6
=90
Cost of polishing frame= 90×5 = 450Rs.
Answered by
0
Answer:
Given,
Length of the rectangular frame = 15 cm
Breadth of the rectangular frame = 6 cm
Rate of polishing = ₹5 per cm sq.
Area of the rectangular frame = Length × Breadth
= 15 cm × 6 cm
= 90 cm sq.
The total cost of polishing the frame = ₹5 × 90
= ₹450
Thus, the total cost of polishing the frame is ₹450. Ans.
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