Answer:
C. 309 cm2
Step-by-step explanation:
A=2(1+sqr2)a^2
A=2(1+sqr2)8^2
≈309.01934
Answer:
how to what? I don't understand
Answer:
x = 35
Step-by-step explanation:
AE = AC = 4.1
∠ EAD = ∠ CAB = 92° ( vertical angles are congruent )
AD = AB = 2.9
Thus by the SAS postulate
Δ AED ≅ Δ ACB, thus
∠ AED and ∠ ACB are congruent
x = 35
Answer: 7
Step-by-step explanation: