Answer:
x = 125
Step-by-step explanation:
all of the angles in a triangle must add up to 180, so 25 + 30 + x = 180. you can subtract 25 and 30 from both sides and you are left with x = 125.
hope it helps!
Answer:
= 18 cm^3
Step-by-step explanation:
V = Bh where B is the area of the base, which is the triangular face
B = 1/2 (4*3) = 6
V = 6* 3
V = 18 cm^3
Answer:
276.3 sq ft
Step-by-step explanation:

A = 3. Hope this helps! (Was trying to show the work but I can't take pictures at the moment.)