Find x in the following figure. (not to scale). give reasons

140°, 50°

Step-by-step explanation:

Left picture:

There are 4 sides so the sum of the angles will be 360°.  Three angles are given: 90°, 60°, and 70° (their total is 220°).  The fourth angle (x) is 360° - 220° = 140°

Right Picture:

There are 5 sides so the sum of the angles will be 540°. Two of the angles are given: 90° and 90°.  Two of the angles form a linear pair.  Their supplementary angles are: 60° and 70°, so those angles are 120° and 110°

Now, you have four of the five angles: 90°, 90°, 120°, and 110° (their total is 410). The fifth angle (linear pair of x) is 540° - 410° = 130°

The fifth angle is a supplement to x: 180° - 130° = 50°

answer:   14

step-by-step explanation:          

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