Answer:
The answer is 21 units²
Step-by-step explanation:
To find the area of a right triangle you use the formula A=ab/2
So
A=6×7/2 = 21
Δ ABD ≅ Δ CBD SSS
AB ≅ CB Given
AD ≅ DC Given
BD ≅ BD Reflexive property
Answer: I believe it's nonlinear
