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Assessment Solve each problem by following the correct step. 1. Anna loves chocolates, She ate a rectangular chocolate with a length of 11 cm and a width of 7 cm. What is the perimeter of the chocolate? 2. Johnny plays around a rectangular table. The table is 3 m by 5 m. He runs his toy car around the table five times. What is the distance covered by the toy car? 3. The three sides of a triangle measure 20 cm, 32 cm and 50 cm. What is the perimeter of the triangle? sanamatulungan ninyo po ako​

Sagot :

xiedehlic

Answer:

1.

Given :

  • Length of 11 cm
  • Width of 7 cm


to find :

  • the perimeter of the chocolate

solution :

we all know,

  • P = 2(l + w)


according to the question :

  • P = 2(l + w)
  • P = 2(11 + 7) = 2·(11 + 7) = 36

therefore,

  • The perimeter of the chocolate is 36 cm.

2.

Given :

  • length of 3 m
  • width of 5 m

To find :

  • the distance covered by the toy car


Solution :

  • (L + W) x 2 = ?
  • (3 + 5) x 2 = 8x2 = ?
  • (3 + 5) x 2 = 8x2 = 16 m


According to the Question :

  • 16 × 5 = 80 m

therefore,

  • the distance covered by the toy car is 80 m.

3.


Given :

  • Side of triangle is 20 cm.
  • base of triangle is 32 cm.
  • side of triangle is 50 cm.

To find :

  • the perimeter of the triangle


Solution :

  • Formula for getting perimeter of the triangle is
  • P = a + b + c
  • P = 20 + 32 + 50
  • P = 20 + 32 + 50 = 102 cm

therefore,

  • the perimeter of the triangle is 102 cm.

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