Answer:
21 ft^2
Step-by-step explanation:
split area into two parts shown by the red line and add up both areas to find total area.
area = b×h/2
triangle 1 = (5×6)/2
=30/2
=15 ft^2
triangle 2 = (3×4)/2
=12/2
=6 ft^2
total area = 15+6
Step-by-step explanation:
Equation 1

Equation 2

Answer:
Congruent
To be honest they are equal but in this question there is no option as equal so we can choose congruent