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PQRS is a square whose side is 20 cm. By...

PQRS is a square whose side is 20 cm. By joining opposite vertices of PQRS are get four triangles. What is the sum of the perimeters of the four triangles?

A

`40 sqrt2`

B

`80 sqrt2+80`

C

`40 sqrt2+40`

D

`40 sqrt2+80`

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CHAMPION PUBLICATION-2017 TIER-II PAPER(11)-EXERCISE
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  19. If tan theta + sec theta= (x - 2)//(x + 2), then what is the value of ...

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