Can someone help me on the surface area of this shape please
2 answers:
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Answer:
x ≈ 57.8°
Step-by-step explanation:
using the Sine rule in the triangle
=
( cross- multiply )
8 × sinx = 11 × sin38° ( divide both sides by 8 )
sinx = , then
x = (
) ≈ 57.8° ( to 1 dec. place )
Writing it in the form of a+bi we get 0+4i
Step-by-step explanation:
We need to evaluate expression -16 squared and write the result in form a+bi
The given expression is:
We know that
We know that 16= 4x4 = 4^2
Putting values:
So, Writing it in the form of a+bi a=0 and b=4 so, 0+4i
Keywords: Complex Numbers
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