Question

Gis
A C-Cry - c -cthy
CH
Ch - CH₂ - CH₂ nomancleture

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Answer 1

Answer:

Draw well

Explanation:

Answer 2

Explanation:

Two vectors \vec{a}\ and\ \vec{b}

a

and

b

are such that |\vec{a}+\vec{b}|=|\vec{a}-\vec{b}|∣

a

+

b

∣=∣

a

−

b

∣ . What is the angle between \vec{a}\ and\ \vec{b}

a

and

b

??