Answer :

Answer:

13)25+50+75+100=250 C

14)4*(3+2)=20

Answer:

250mm2

Step-by-step explanation:

13.

5mm×20mm= 100 mm2

5mm× 15mm= 75mm2

5mm×10mm = 50 mm2

5mm × 5mm = 25mm2

100+75+50+25 = 250 mm2 of the whole area

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