Question

What is the value of a + b , if the quadrilateral is a
parallelogram?
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Answer 1

Answer:

ATP :

b²-10 = 15

b² = 15+10

b² = 25

b = √25

b = 5

a-2b = 18

a-2×5 = 18

a-10 = 18

a = 18+10

a = 28

a+b

= 28+5

= 33

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