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3 years ago

I need help on this question plz

Mathematics

2 answers:

Mekhanik [1.2K]3 years ago

7 0

A reflection would keep the object the same size but move it to a different Quadrant.

A translation would also keep the object the same size, just move it to a new location.

A rotation would keep the object the same size, but change the oriatation of the shape.

A dilation would change the size of the original shape to either a smaller or larger size.

The above image is a dilation.

Crazy boy [7]3 years ago

6 0

the answer is dilation

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PLZ HELP

Alex

Answer:

The correct option is C ) 109.5°

Therefore,

$m\angle E=109.5\°$

Step-by-step explanation:

Given:

In Triangle DEF

d = 10

e = 18

f = 12

To Find

angle E = ?

Solution:

In Triangle DEF , Cosine Rule says

$\cos E=\dfrac{f^{2}+d^{2}-e^{2}}{2fd}$

Substituting the values we get

$\cos E=\dfrac{12^{2}+10^{2}-18^{2}}{2\times 12\times 10}$

$\cos E=\dfrac{-80}{240}=-\dfrac{1}{3}$

Therefore,

$\angle E=\cos^{-1}(-0.3333)$

$m\angle E=109.5\°$ ............As it is in Second Quadrant

Therefore,

$m\angle E=109.5\°$

4 0

3 years ago

A rectangle has a perimeter of 150 feet and a base of 45 feet. What is the height?

frez [133]

Answer:

Step-by-step explanation:

45+45 = 90

150-90 = 60

60/2 = 30

I think...

8 0

2 years ago

You are walking from home to a grocery store you stop for a rest after tofit miles the grocery store is actually 3/4 miles from

svp [43]

Answer:

no I don't know I am sorry for this question

8 0

2 years ago

All prisms are Platonic solids.<br> A. True<br> B. False

dem82 [27]

Answer: False.

Step-by-step explanation: A Platonic solid is a convex polyhedron that is a regular polygon.

5 0

2 years ago

Read 2 more answers

STION 1

Lorico [155]

Answer:

1.1.1- Michael has 200 lovebirds in total

1.1.2- There are 40 birds in each cage

1.1.3- 120/80 = 3/2

Step-by-step explanation:

120+80=200

200÷5=40

120÷40=3, 80÷40=2

7 0

2 years ago