1*1+9∗0.001
Hope this helps
Answer:
Area decreases by 16%
Step-by-step explanation:
Use formula for the area of the triangle

<u>Initial triangle:</u>
The base is 18 cm
The height is 5 cm
The area is

<u>New triangle:</u>
The base is 
The height is 
The area is

Area decreases by

Angle 4 equals angle 5, when all angles are equal and the triangles are similar
<span>{x | x < 0} and {x | x > 0}</span>