My Math Forum  

Go Back   My Math Forum > High School Math Forum > Geometry

Geometry Geometry Math Forum


Reply
 
LinkBack Thread Tools Display Modes
February 12th, 2019, 01:27 PM   #1
Member
 
Joined: Jan 2019
From: tornto

Posts: 48
Thanks: 0

help: could not answer

1. Which of these rectangular prisms has a base area of 40cm² and a volume of 160cm³?

A. Height = 2cm, base length = 10cm, base width = 4cm
B. Height = 4cm, base length = 4cm, base width = 4cm
C. Height = 4cm, base length = 10cm, base width = 4cm
D. Height = 10cm, base length = 4cm, base width = 4cm


2. Find the volume of a rectangular prism with base length = 12ft, base width = 10ft, and height = 11ft.

A. 33ft³
B. 242ft³
C. 660ft³
D. 1320ft³


3. Find the volume of a triangular prism with base area = 84in.² and height = 9in.
A. 93in.³
B. 378in.³
C. 756in.³
D. 1512in.³


Questions could not answer ?
Any help with explanation?

Thanks much.

Last edited by skipjack; February 12th, 2019 at 02:22 PM.
yorkmanz is offline  
 
February 12th, 2019, 01:47 PM   #2
Senior Member
 
Joined: Dec 2015
From: somewhere

Posts: 645
Thanks: 92

V = width × length × height.
1. C, 2. D, 3. C

Last edited by skipjack; February 12th, 2019 at 02:24 PM.
idontknow is offline  
February 12th, 2019, 02:36 PM   #3
Math Team
 
Joined: Oct 2011
From: Ottawa Ontario, Canada

Posts: 14,597
Thanks: 1038

Can you show your work?
Denis is offline  
February 12th, 2019, 05:28 PM   #4
Member
 
Joined: Jan 2019
From: tornto

Posts: 48
Thanks: 0

Quote:
Originally Posted by idontknow View Post
V = width × length × height.
1. C, 2. D, 3. C
thanks

for #1. i thought its D .. BUT AFTER REVIEW FOUND ITS C ...
THANKS MAN FOR CORRECTING ME
yorkmanz is offline  
Reply

  My Math Forum > High School Math Forum > Geometry

Tags
answer, helpcoud



Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
How did they get this answer? SeanDaniel Algebra 7 November 27th, 2014 02:17 PM
Answer No.6 kingkos Algebra 3 April 13th, 2013 09:14 AM
numeric entry problem with answer..but I think the answer is rage Algebra 2 September 14th, 2012 09:27 PM
Answer is 120, but I can't get it. alikn Elementary Math 4 December 16th, 2009 09:43 AM
i need an answer ... mimi Linear Algebra 2 November 30th, 2009 09:43 AM





Copyright © 2019 My Math Forum. All rights reserved.