my college hive icon mycollegehive
Groups
My College Hive notifiction icon Questions
Connect / Friends
Tags
Quiz
Books
A rectangular board has length 15cm and width xcm. If its si...
waec-2019 ssce-exam-2019 waec-mathematics-2019 math
up
0
down

A rectangular board has length 15cm and width xcm. If its sides are doubled, find its new area. 

A.  60x cm2 

B.  45x cm2

C.  30x cm2

D.  15x cm2

222 views
Share Follow
judziy
Asked by judziyrep:1.6K
University of Benin Nigeria
13 May 2020

Comments






1 answer(s)

peter
Peter answeredrep:1.5K
University of Lagos Nigeria
14 August 2020
up
0
down

Area of a rectangle = length x width

length = 15cm

width = xcm

If the sides are doubled,

New length = 2 x 15 = 30cm

New width = 2Xcm

New area = new length x new width

= 30 x 2X

= 60X cm2

Ans A

Share
Comments






Your Answer

How to insert math formulas/equations

my college hive loader icon



Related Tags

waec-2019

2 followers

64 questions

ssce-exam-2019

0 followers

64 questions

waec-mathematics-2019

1 followers

53 questions