Yes, yes it is; well done.
Your answer would be 31.5 (so 32 when rounded up)
For triangles you basically multiply them together, and the divide your answer by two.
A= 1/2 b x h
A= 1/2 7 x 9
A= 1/2 63
A= 31.5 (rounded up to 32)
I hope I helped and if you need more you could always ask me :)
-Dawn
Answer:
Step-by-step explanation:
1) commutative
2) distributive
3) associative
4) inverse property
5)
6) identity property
7) identity property
8) multiplicative inverse
9) distributive
10)
11) x+n
12) 10(x+1)
13) (9p)m
14) 1/3(1+1/3)
(1/3).(1) +(1/3).(1/3)
15) (x+2)+7
16) 1/4
17) 1
18) -9
19) 0
20) -0.12
Involving the second and no higher power of an unknown quantity or variable.