Math, asked by sujatha54, 1 month ago

Find the area of the shaded region :​

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Answers

Answered by Mohibwallah
1

Answer:

425

Step-by-step explanation:

see there are five ways to solve this q i explain you easiest one:

here shaded region ,

= area of square- area of four similar triangle

= 25×25 - 4(1/2 × 20 ×5)

= 625-200

= 425

Or

by observing geometry,

shaded region is square ,

so , area =(side)^2

= 20^2+5^2

=425

- @Mohibwallah

Answered by sushant8a
0

Area \: of \: square =  {side}^{2}

  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  {25}^{2}

 \ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 625 \: cm {}^{2}

Area \: of \: triangle =  \frac{1}{2}  \times b \times h

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{1}{2}  \times 20 \times 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 10 \times 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 50 \: cm {}^{2}

Area \: of \: 4 \: triangle = 50 \times 4

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 200 \: cm {}^{2}

Area \: of \: shaded \: region =625 -  200

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 425 \: cm {}^{2}

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