Question

of side (1) 10 m (11) 21 cm (11) 0.5 m (iv) 4 m. (1) Find the length and perimeter of a rectangle of area 900 m and breadth 20 m. ii) Find the breadth and perimeter of a rectangle of area 962 cm- and length 26 cm. 2 d the side of a saunफाइंड द ग्रेट एंड पैरामीटर ऑफ रेक्टेंगल ऑफ एरिया 92 सेंटीमीटर रूट एंड लेंथ 6 सेंटीमीटर ​

Answer 1

Step-by-step explanation:

In the first part of the question, we have :

• Area of rectangle = 900 m²
• Breadth = 20 m

We are asked to calculate the length and the perimeter of the rectangle.

In order to calculate the perimeter of the rectangle, firstly we need to find the length of it. As we know that,

★ Area of rectangle = Length × Breadth

Substituting values as per the question.

⇒ 900 m² = Length × 20 m

⇒ 900 m² ÷ 20 m = Length

⇒ 45 m = Length

∴ Length of the rectangle is 45 m.

Now, we have to find the perimeter. As we know that,

★ Perimeter of rectangle = 2( Length + Breadth )

Substituting values as per the question.

⇒ Perimeter of rectangle = 2(45m + 20m)

⇒ Perimeter of rectangle = 2(65 m)

⇒ Perimeter of rectangle = 130 m

∴ Perimeter of the rectangle is 130 m.

Now, in the second part of the question, we have :

• Area of rectangle = 962 cm²
• Length = 26 cm

We are asked to calculate the breadth and the perimeter of the rectangle.

In order to calculate the perimeter of the rectangle, firstly we need to find the breadth of it. As we know that,

★ Area of rectangle = Length × Breadth

Substituting values as per the question.

⇒ 962 cm² = 26 cm × Breadth

⇒ 962 cm² ÷ 26 cm = Breadth

⇒ 37 cm = Breadth

∴ Breadth of the rectangle is 37 cm.

Now, we have to find the perimeter. As we know that,

★ Perimeter of rectangle = 2( Length + Breadth )

Substituting values as per the question.

⇒ Perimeter of rectangle = 2(26cm + 37m)

⇒ Perimeter of rectangle = 2(63 cm)

⇒ Perimeter of rectangle = 126 cm

∴ Perimeter of the rectangle is 126 cm.

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Answer 2

question :-

Find the length and perimeter of a rectangle of area 900 m and breadth 20 m ??

solution :-

area = 900m²

breath = 20m

→so area of rectangle = length × breath

→900 = length × 20

→900 ÷ 20 = 45

→so therefore length = 45m

perimeter = 2( length × breath )

= 2 (65)

= 130m

so therefore our required answer is 130m

question :-

Find the breadth and perimeter of a rectangle of area 962 cm2 and length 26 cm ??

solution :-

area = 962

length = 26

→ so area of rectangle = length × breath

→ 962 = 26 × B

→B = 962 ÷ 26

→ B = 37

now, perimeter = 2 ( L + B)

= 2 ( 26 + 37)

= 126

so therefore our required answer is breath = 37 and perimeter = 126

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