Answer:
BC^2=10^2+30^2
Step-by-step explanation:
Using pythagorean theorem





Answer:
Area = 66 m^2
Step-by-step explanation:
Area = b h B = 11 H = 6
Area = 11 * 6 = 66 m^2
Answer:
First boxes of 90degree
Second is 90degree
Third box is 42degree
Fourth box is 90-48
Step-by-step explanation:
First one not sure though sorry
53 48 24 should be the answer but im not 100% sure