Can u answer number 20 only pls with explaining
1 answer:
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Answer:
The area of the circle is 100.8394 square inches greater than the area of the square.
Step-by-step explanation:
Given:
The radius of the circle 6.1 inches
side of the square= 4 inches
Finding the area of the circle
Area of the circle=
=
= 116.8394 square inches
Area of the square= side*side
The area of the circle is 100.8394 square inches greater than the area of the square.
Answer:
= - 12 + 316 i
Step-by-step explanation:
Given that -
z = 3 + i
<em> =
</em>
<em> = 9 +
+ 6 i</em>
<em> = 9 - 1 + 6 i</em>
= 8 + 6 i
<em> =
× z</em>
<em> = ( 8 + 6 i ) × ( 3 + i )</em>
<em> = 24 + 8 i + 18 i + 6 i²</em>
<em> = 24 + 26 i - 6</em>
= 18 + 26 i
=
×
<em> = ( 8 + 6 i ) × ( 18 + 26 i )</em>
<em> = 144 + 208 i + 108 i + 156 i²</em>
<em> = 144 + 316 i -156</em>
= - 12 + 316 i
