If `A=2h(l+b)`, then b=______A. `2Ah-l`B. `((A)/(2h))-l`C. `2Al-h`D. ` – InterviewSolution

InterviewSolution

1.	If `A=2h(l+b)`, then b=______A. `2Ah-l`B. `((A)/(2h))-l`C. `2Al-h`D. `(A)/(2l)-h`
Answer» Correct Answer - B Given `A=2h(l+b)` `rArr (A)/(2h)=l+b` `rArr(A)/(2h)-l=b` `rArr b=((A)/(2h))-l` Hence, the correct option is (b).

Discussion

No Comment Found

Related InterviewSolutions

The length of an are of a circle is given by the formula `l=(x)/(360^(@))xx2pir`. Make r as the subject of the formula.A. `r=(720^(@)pix)/(l)`B. `r=(180^(@)l)/(pix)`C. `r=(720^(@)l)/(pix)`D. `r=(180^(@)l)/(x)`
The number of aubiliar formulae that can be divided from `S=((100-l))/(100)r` is_A. 4B. 3C. 2D. 1
If `A=2(lb+bh+lh)`, then which of the following is/are true?A. `l=(A-2bh)/(2(b+h))`B. `b=(A-2h)/(2(l+b))`C. `h=(A-2lb)/(2(l+b))`D. None of these
If `M=a+(b)/(c)`, then b=______A. `Mc-a`B. `M-ac`C. `((M-a))/(c)`D. `(M-a)c`
Write the formula for finding the circumference S of a circle. Make r the subject in this formula and find r when S=154cm.
If `V=lbh`, then h=__A. `(v)/(lb)`B. `(v)/(bh)`C. `(v)/(lh)`D. `(lb)/(v)`
If V=lbh, then b=______A. `(v)/(lh)`B. `(l)/(vh)`C. `(h)/(vl)`D. `lvh`
Using the formula `S=2(lb+bh+lh)`, find S when l=12cm, b=8cm,and h=4 cm.
Write the formula for finding the circumference (C) of a circle with radius r units. What is the subject in this formula?
The number of variables in the formula `T=2pisqrt((l)/(g))` is _____A. 4B. 5C. 3D. 2