Log in
Sign up for FREE
arrow_back
Library
Lesson 4.0.5 DOL Dimensional Changes
By edith lopez
star
star
star
star
star
Share
share
Last updated almost 2 years ago
4 questions
Add this activity
1
1
1
1
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
If one rectangle's dimensions are tripled (k=3) what is the effect on the
perimeter
it triples k=3
it multiplies by 9
it multiplies by 6
nothing
If one rectangle's dimensions are doubled (k=2) what is the effect on the
area
it doubles k=2
it triples k=3
it quadruples k=4 or 2²
it multiplies by 6
What is the scale factor from big to small (small / big)
4
1/4
2
1/2
The triangles are similar, find the
area
of the smaller triangle (use the scale factor in previous question)
347 *
(1/4)
2
= 21.68 m²
347 *
(1/2)
= 173.5 m²0
347 *
(1/4)
= 86.75 m²
347 *
(1/3)
2
= 38.5 m²
