Solution:
Given :
So, We have to find the Base of Triangle .
Area of triangle = 1/2*b×h, Where represents
Step : Substitute those value in Formula;
Area of triangle = 1/2 × b × h
10 = 1/2 × b × 11
20 = 11 × b
b = 20/11
b = 1.81 ft
Therefore, Base of Triangle is 1.81 ft