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In a parallelogram A B C D , if /D=115^@...

In a parallelogram `A B C D ,` if `/_D=115^@,` then write the measure of `/_A`

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In a parallelogram `A B C D ,`
sum of the adjacent angles`=180^@`
so
`/_A+/_D=180^@`
`/_A=180^@-115^@=65^@`
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RD SHARMA-QUADRILATERALS-All Questions
  1. Fill in the blanks to make the following statements correct The tr...

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  2. In a parallelogram A B C D , write the sum of angle A\ a n d\ B

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  3. In a parallelogram A B C D , if /D=115^@, then write the measure of ...

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  4. P Q R S is a square such that P R\ a n d\ S Q intersect at Odot State ...

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  5. In a quadrilateral A B C D , bisectors of angles A\ a n d\ B intersect...

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  6. The diagonals of a rectangle A B C D\ meet at O . If /B O C=44^@, f...

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  7. If P Q R S is a square, then write the measure of /S R P

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  8. If A B C D is a rectangle with /B A C=32^@, find the measure of /D B C

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  9. If A B C D is a rhombus with /A B C=56^@, find the measure of /A C D

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  10. The perimeter of a parallelogram is 22cm. If the longer side measur...

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  11. If the angles of a quadrilateral are in the ratio 3:5:9:13, then find ...

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  12. If the bisectors of two adjacent angles A\ a n d\ B of a quadrilate...

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  13. In a parallelogram A B C D , if /A=(3x-20)^@, /B= (y+15)^@, /C=(x+40)^...

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  14. If measures opposite angles of a parallelogram are (60-x)^@ and (3x-...

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  15. In a parallelogram ABCD , the bisector of /A also bisects BC at X Fin...

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  16. In Figure, P Q R S is an isosceles trapezium. Find x and y

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  17. In Figure, A B C D is a trapezium. Find the value of x\ a n d\ y

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  18. In Figure, P Q R S is a rhombus in which the diagonal P R is produce...

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  19. In Figure, A B C D is a rectangle in which diagonal A C is produced ...

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  20. In Figure, A B C D\ a n d\ A E F G are two parallelograms. If /C=58^...

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