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:
the answer to this question is b. -28
18 cm doing the same thing rn
The answer is pi but to fifteen places
Answer:
I think the answer is linear points