Calculate the area of remaining piece of cardboard, Mathematics

Assignment Help:

A piece of cardboard in the shape of a trapezium ABCD & AB || DE, ∠BCD = 900, quarter circle BFEC is removed. Given AB = BC = 3.5 cm, DE = 2 cm. Calculate the area of remaining piece of cardboard.                     (Ans:6.125 cm2)

95_circle18.png

Ans:    Area of remaining portion = Area of trap - Area of quadrant

= 1/2 x 3.5 (5.5 + 3.5) - 1/4 x 22/7 x3.5x3.5

= 15.75 - 19.25/2 = 15.75 - 9.625

= 6.125 cm2

 


Related Discussions:- Calculate the area of remaining piece of cardboard

Sequencing model, theory about solving sequencing problem using graphical m...

theory about solving sequencing problem using graphical method

Euler method for ode, y'' + 2y = 2 - e-4t, y(0) = 1 use euler''s method wit...

y'' + 2y = 2 - e-4t, y(0) = 1 use euler''s method with a step size of 0.2 to find and approximate values of y

Algebria, solve and graph the solution set 7x-4 > 5x + 0

solve and graph the solution set 7x-4 > 5x + 0

Mathematical concepts and ideas , These experiences should be related to th...

These experiences should be related to the mathematical concepts and ideas that we teach them. Only then will these ideas appear relevant to the children, and be absorbed by them

Algebra, how do i sole linear epuation

how do i sole linear epuation

Find out the total number of pounds of coffee purchased, Megan bought x pou...

Megan bought x pounds of coffee in which cost $3 per pound and 18 pounds of coffee at $2.50 per pound for the company picnic. Find out the total number of pounds of coffee purchase

Intermediate value theorem, Intermediate Value Theorem Suppose that f(x...

Intermediate Value Theorem Suppose that f(x) is continuous on [a, b] and allow M be any number among f(a) and f(b).   There then exists a number c such that, 1. a 2. f (

What is trigonometric ratios, What is Trigonometric Ratios ? Trigonome...

What is Trigonometric Ratios ? Trigonometry, a branch of mathematics, is based on the ratios known as sine, cosine, and tangent. Trigonometric ratios apply only to right trian

Learning to count in maths, Here we learn: 1) Discussed what counting me...

Here we learn: 1) Discussed what counting means, and stressed that it is not the ability to recite number names. 2) Talked about the need for a child to understand several pr

Debate over answer to an equation..., The math equation is written exactly ...

The math equation is written exactly this way: 0+50x1-60-60x0+10=??? The answer I get is 10 and others say 0 0+50=50 50x1=50 50-60=-10 -10-60=-70 -70x0=0 0+10=10

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