Question

Square table of side 90 cm has a frame of with 3 cm find the outer area of the table and area of the frame

Answer 1

Answer:

Given:

A square table of side 90 cm has a frame of width 3 cm around it.

To find:

(1). The outer area of the table

(2). The area of the frame.​

Solution:

The side of the square table = 90 cm

∴ Area of the square table = side² = 90² = 8100 cm²

(1). Finding the outer area of the table:

The width of the frame around the square table = 3 cm

So,

The length of the outer side of the table = 90 + (2 × 3) = 90 + 6 = 96 cm

∴ The outer area of the table = (outer side)² = (96)² = 9216 cm²

Thus,

(2). Finding the area of the frame:

The area of the frame is,

= [Outer area of the table] - [Area of the square table]

= [9216 cm²] - [8100 cm²]

= 1116 cm²

Answer 2

Answer:

6,075

Step-by-step explanation:

90-3x4 =78

78x78 = 6,084

6,084 = Area outer frame

3x3 = 9

9 = Area inside the frame

6084-9 = Area of the frame

6,084 - 9 = 6,075

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