Answer:
42 degrees
Step-by-step explanation:
48 and r are equal.
The box means right angle, or 90 degrees
180-90-48=42 degrees
Domain:
-4 ≤ x ≤ 3
or in different form:
x ∈ [-4; 3]
Perimeter of Triangle -:
( 3.7 b + 1.7 +1.3b +1.1 + 7.1 c + 5.1 )
now solve by ur self
