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2 years ago

Find of the areas of the squares PQRSto that of ABCD where PQ=9cm and AB=5cm

Mathematics

1 answer:

Ket [755]2 years ago

7 0

Answer: Area of square PQRS is 81cm^2 and of ABCD is 25cm^2

You know its a square. Which means all the sides are equal and same length. If you dont know what's a square then here is the definition:

Square is a plane figure with four equal sides and four right (90°) angles.

So now we know both of are squares, in case of the first square, PQRS, one side length is already given which is PQ=9cm. Now one side is 9cm which means all the sides are 9cm's (PQ=9cm, QR=9cm, RS=9cm,SP=9cm). So to find area just multiply them:

9cm * 9cm = 81cm^2

Now you found the area of the first square. So for the second square, ABCD, one side length is 5 cm so all the rest three sides are also 5 cm. Again, multiply them in order to find the area:

5cm * 5cm = 25cm^2

So square PQRS is 81cm^2 to that of square ABCD is 25cm^2

CAUTIONS: IT IS NOT THAT HARD YA KNOW

By the way, hope it helps! ^^

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3 years ago

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3 years ago

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3 years ago

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4 years ago

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Answer:

Step-by-step explanation:

by looking at the given image...

the shape ABCD is a parallelogram.

Required:

is to prove ∡A and ∡B are supplementary

and ∡C and ∡D are supplementary.

so, m∠A + m∠B = 180°

and m∠C + m∠D = 180°

the Statement

1. ABCD is a parallelogram

the reason is..

It is Given!

the Statement

2.m∠A=m∠C and m∠B=m∠D

the reason is..

Definition of parallelogram.

the Statement

3.m∠A+m∠B+m∠C+m∠D=360°

the reason is..

Definition of quadrilateral

the Statement

4. m∠A+m∠B+m∠A+m∠B=360°

the reason is..

By substitution

⇒ 2( m∠A + m∠B ) = 360°

⇒ m∠A + m∠B = 180°

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the Statement

5.∠A and ∠C are supplementary

the reason is..

by the definition of Supplementary ∠ B and ∠D are supplementary

Hope it helps!

7 0

3 years ago

Find of the areas of the squares PQRSto that of ABCD where PQ=9cm and AB=5cm​

Find of the areas of the squares PQRSto that of ABCD where PQ=9cm and AB=5cm