Calculate the height of the tunnel and the perimeter, Mathematics

Assignment Help:

The adjoining figure shows the cross-section of a railway tunnel.

968_circle31.png

The radius of the tunnel is 3.5m (i.e., OA=3.5m) and ∠AOB=90o. Calculate :

i.       the height of the tunnel.

ii.      the perimeter of its cross section, including base.

iii.     the area of the cross-section

iv.     the internal surface area of the tunnel, excluding base, if its length is 50m.

(Ans: (i) 5.97m (ii) 21.44m (iii) 28.875 sq m (iv) 825 sq m)


Related Discussions:- Calculate the height of the tunnel and the perimeter

To find out the perimeter of a triangular give formula, To find out the per...

To find out the perimeter of a triangular region, what formula would you use? The perimeter of a triangle is length of surface a plus length of side b plus length of side c.

Shares and dividends, suresh invested rs.1080 in shares of face value rs.50...

suresh invested rs.1080 in shares of face value rs.50 at rs.54.After receiving dividend on them at 8% he sold them at 52.In each of the transaction he paid 2 % brokerage.Hpw much d

Compound interest, principal=2000 rate=5% time=2 years find compound intere...

principal=2000 rate=5% time=2 years find compound interest

Three set problems, In a class,there are 174 students in form three,86 stud...

In a class,there are 174 students in form three,86 students play table tennis,84 play football and 94 play volleyball,30 play table tennis and volleyball,34 play volleyball and foo

Pattern, 1,5,14,30,55 find the next three numbers and the rule

1,5,14,30,55 find the next three numbers and the rule

Find out general formula for tangent vector and unit vector, Find out the g...

Find out the general formula for the tangent vector and unit tangent vector to the curve specified by r → (t) = t 2 i → + 2 sin t j → + 2 cos t k → . Solution First,

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd