Answer:
x = -10
Step-by-step explanation:
verticle angles are congruent
80 + x = 70
Subtract 80 from both sides
x = -10
Answer:

Step-by-step explanation:
Given
--- Area of smaller rectangle
--- Area of bigger rectangle
Required
Determine the area of the areas.
The ratio is calculated by the dividing the areas of rectangles.

Substitute values for A2 and A1


Simplify the fraction

Represent as ratio

<em>Hence, the ratio of the rectangles is 1 to 9</em>
Answer:
all work is shown and set