Which area formula or formulas show(s) a joint variation? i. v = s^3ii. a = b x hiii. c = πd (this is the pie symbol next to the d)a) i, ii, and iiib) iii onlyc) ii and iiid) ii only

Option d

ii only.

Explanation:

1) V=s^3 got only one variable s.  Hence when s is changed V is changed and vice versa.  Not joint variation.

2) A=bxh

Here when area changes either b can change or h can change or both.  For example if area 8 (4x2) is changed to 16, we can have either length unchanged (4x4) or width unchanged (8x2) or both changed as (4x4)  Thus there is a joint variation for b and h here.

III.c=pi d

Here d is independent variable and c dependent variable.  When d changes c changes directly and there is no joint variation.

So answer is d.

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step-by-step explanation:

two pairs of adjacent sides are of equal length. this implies that one diagonal divides the kite into congruent triangles, and so the angles between the two pairs of equal sides are equal in measure. it also implies that the diagonals are perpendicular.