8 Diagram 8 shows a heptagon ABCDEFG. Rajah menunjukkan sebuah heptagon ABCDEFG.
1700
E
Diagram 8
Rajah 8
130°
70°
(1309
B
The value of x is

A
105°
B
110°
C С
120°
D
150°

Simplify each expression using the definition, identities, and properties of imaginary numbers. match each term in the list on the left to its equivalent simplified form on the right. 1. (i 3)2(-i 0)3(3i 2)4 -4 2. (i 3i -5)2(i 4i -3)0 1 3. (-i 4i 2)(2i)2(i -1i 5)3(i 0)-3 -i 4. i 3[(i 2i 3i 4)(i 0i 2i 5)]2 81