Answer:
Step-by-step explanation:
Use the formula for the area of a triangle,
Area of a triangle = 
7). Area of the triangle = 
= 74 km²
8). Area of the triangle = 
= 30.8 cm²
9). Area of the triangle = 
= 56 m²
10). Area of the triangle = 
= 42.35 km²
Answer:
10 cm
Step-by-step explanation
to fine area of square you multiply 2 sides together and get the area and 10x10 is 100
Answer:
The answer would be g 2(7+2)=16
Step-by-step explanation:
You have to contribute and combine like terms and that is how you get your answer