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Solving Exercise 1 on page 130 of Math Textbook 2
Exercise:
Calculate the perimeter of a triangle with the lengths of its sides being:
a) 7cm, 10cm, and 13cm.
b) 20dm, 30dm, and 40dm.
c) 8cm, 12cm, and 7cm.
Example: The perimeter of a triangle is:
7 + 10 + 13 = 30 (cm)
Answer: 30cm.
Answer:
b) The perimeter of triangle ABC is:
20 + 30 + 40 = 90 (dm)
Answer: 90dm.
c) The perimeter of triangle ABC is:
8 + 12 + 7 = 27 (cm)
Answer: 27cm.
Solving Exercise 2 on page 130 of Math Textbook 2
Exercise:
Calculate the perimeter of a quadrilateral with the lengths of its sides being:
a) 3dm, 4dm, 5dm, and 6dm.
b) 10cm, 20cm, 10cm, and 20cm.
Answer:
a) The perimeter of quadrilateral MNPQ is:
3 + 4 + 5 + 6 = 18 (dm)
Answer: 18dm.
b) The perimeter of quadrilateral MNPQ is:
10 + 20 + 10 + 20 = 60 (cm)
Answer: 60cm.
Solving Exercise 3 on page 130 of Math Textbook 2
Exercise:
a) Measure and record the lengths of the sides of triangle ABC.
b) Calculate the perimeter of triangle ABC.
Answer:
a) Students measure, each side is 3cm and record:
b) The perimeter of triangle ABC is:
3 + 3 + 3 = 9 (cm)
Answer: 9cm.
Here is a hint for Solving Exercise on page 130 of Math Textbook 2 with detailed instructions. Prepare for the content of Exercise on page 131 of Math Textbook 2 with the Solving Exercise on page 131 of Math Textbook 2 and Exercise 1 in multiplication and division through the content Solving Exercise on page 132 of Math Textbook 2 to study Mathematics 2 better.
In the Math 2 course, solving exercises on page 83 of Math Textbook 2 is one of the key areas that students need to focus on and improve to enhance their Math 2 solving skills.
