Answer 9x^2
Step-by-step explanation:
3x^2+6x^2=9x^2
The answer is 19.6 cm^2
you should find the height of the triangle by heron formula: it will be 9.8
so the area is

good luck
Answer:
10
Step-by-step explanation:
10 10 10 1010 10 101 10 10 1o
Answer:
8 were absent
Step-by-step explanation:
20% of 40 is 8
Answer:
0.0000001
Step-by-step explanation:
it is just trust me