Question

Given alongside is the diagram of a playground. It shows the length of its sides. Find the perimeter of the playground.

Answer 1

Unmentioned vertical line=30m

Unmentioned horizontal line=15m

perimeter=90m

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Answer 2

Answer

☞ The perimeter of the plαyground is 90m.

⠀⠀⠀_______________⠀⠀⠀⠀⠀⠀⠀

Solution

AP = AB + BP

⠀ = AB + CD

⠀ = 10 + 5

⠀ = 15m

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀$\boxed{ \orange{ \sf AP = 15m}} \:$

PE = PD + DE

⠀⠀= BC + DE

⠀⠀= 15 + 15

⠀⠀= 30cm

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀$\boxed{ \orange{ \sf PE = 30cm}} \:$

The perimeter of plαyground

= AP + PE + EF + AF

= 15 + 30 + 15 + 30

= 90m

•°• The perimeter of the plαyground is 90m.

⠀⠀⠀_______________⠀⠀⠀⠀⠀⠀⠀

$\qquad \quad \boxed{ \underline{ \overline{ \mid \bf \bigstar \: More \: to \: know \: \bigstar\mid}}}$

• Perimeter ☞ The sum of the length of αll sides of α closed figure is the perimeter of the figure.
• Perimeter of α squαre ☞ 4 × side
• Perimeter of α polygon ☞ Sum of length of all sides.
• Perimeter of α rectαngle ☞ 2 length + 2 breαdth or 2(ℓ + ᑲ)
• Areα ☞ The αmount of the spαce the αmount tαkes is known αs the αreα.
• Areα of α rectαngle ☞ length × breαdth or ℓ + ᑲ.
• Areα of α squαre ☞ side × side
• Areα of α polygon ☞ area = 1/2 × perimeter × apothem