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A rhombus is quadrilateral where all 4 sides are of equal length. Thus

5x + 2 = 2x + 12

3x = 10

x = 10/3

substituting x into either expression, yields

56/3

therefore side AB = 56/3

3 0

3 years ago

Add (13x – 4) and (–6x + 15)

kompoz [17]

(13x – 4) + (–6x + 15) =

13x - 4 - 6x + 15 =

7x + 11

4 0

3 years ago

Find the missing angle. Round your answer to the nearest degree.

Lubov Fominskaja [6]

Step-by-step explanation:

$\tan( x ) = \frac{13}{18} \\ x = arctan (\frac{13}{18} ) \\ x = {79}^{o}$

8 0

3 years ago