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- PhilipLv 64 months ago
Linear units are cm, rat = right angles triangle, wea = with equal arms;

Figure has 1 large rat wea each 24 and 6 small rats wea each 4.;

Total area = (1/2)(24^2 + 6*4^2)cm^2 = (288+48)cm^2 = 336cm^2.

- llafferLv 74 months ago
The area of the set of stairs can be found by breaking it up into smaller pieces.

We have a large triangle that is 24x24 and 6 smaller triangles that are 4x4.

Find the area of each of them and add them together:

A = bh/2 and A = bh/2

A = 24(24)/2 and A = 4(4)/2

A = 288 and A = 8

There are 6 smaller triangles, so we get:

288 + 6(8)

288 + 48

336 cm²

That's the total area of the staircase object.

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