Question

the square of
7p - 8q
thanks in advance ​

Answer 1

Answer:

(7p)²-(8q)²

(7p-8q)(7p+8q)

or

49p²-64q²

Step-by-step explanation:

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Answer 2

please give me thanks

Area of quadrilateral ABCD  is 55

Given:  

Length of diagonal = 10 cm,

Length of perpendicular from B = 5 cm,

From D = 6 cm

To find:

Area of a quadrilateral

Solution:

Area of a quadrilateral ABCD = Area of triangle ABC + Area of triangle ADC

Area of a quadrilateral ABCD

 

Area of quadrilateral ABCD  = 55

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