Answer:
20.4cm²
Step-by-step explanation:
base= 10.2
height= 2
10.2×2=20.4cm²
2•3=9 2•2=4 2•2=4 9+4+4=17 the answer is 17
Answer:
-729
Step-by-step explanation:
Answer:
p = 3
Step-by-step explanation:
This is an isosceles right triangle
=> 2side^2 = (hypotenuse)^2
=> 2p^2 = (3sqrt(2))^2
=> 2p^2 = 18
=> p^2 = 9
=> p = 3
