Question

pls help. find the area, if one cube equals 1cm² .​

Answer 1

Answer:

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Step-by-step explanation:

See image

Area of large red rectangle =  5 x 3 = 15 cm^2

Now subtract the four right triangles

triangle area = 1/2 * b * h

   15 cm^2  -  1/2 * 3 x 2  - 1/2 * 2 x 1  - 1/2 * 3 x 1  - 1/2 * 2 x2  = 7.5 cm^2