Answer:
40 in²
Step-by-step explanation:
Surface area = 4 triangles + square
= 4[½ × 4 × 3] + 4²
= 4(6) + 16
= 40 in²
.100 + .03 + .004 I believe
Answer:

Step-by-step explanation:
Leg = x
Hypotenuse = 16





I guess there's something missing from the question
The answer in decimal form is <span>: -1.6</span>