Answer:
Step-by-step explanation:
1. 28+34+45=107
107×2=214 m
2. perimeter of parallelogram=2(l+w)
=2(152.4+91.44)
=2(243.84)
=487.68 cm
3. perimeter of rectangle=2(l+w)
=2(60+30)
=2(90)
=180 cm
4. perimeter of equilateral triangle=3s
=3×20
=60 cm
5. 25+35+36+40=136 cm
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Answer:
Step-by-step explanation:
1. 28+34+45=107
107×2=214 m
2. perimeter of parallelogram=2(l+w)
=2(152.4+91.44)
=2(243.84)
=487.68 cm
3. perimeter of rectangle=2(l+w)
=2(60+30)
=2(90)
=180 cm
4. perimeter of equilateral triangle=3s
=3×20
=60 cm
5. 25+35+36+40=136 cm