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12-02-2021
Mathematics

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I need the steps to solve this

I need the steps to solve this class=

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tismian tismian

12-02-2021

Answer:

215cm

Step-by-step explanation the length labeled 10cm and 15cm is a rectangle ;it will be length ×width

10cm×15cm=150cm

triangle= half ×base ×height

0.5×10cm×9cm=45cm

[0.5×5×3]2 we multiply by 2 because there are two of the same kind =15cm

then we find the area of the rectangle which is at the center of the triangles

5cm×10=50cm

150±50±15=215

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