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mash [69]
3 years ago
9

What is the measure of

Mathematics
2 answers:
Fynjy0 [20]3 years ago
5 0
I’m thinking 90 because of the corners
wel3 years ago
3 0
The picture is blurry
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Plzzzzzz helppppp meeee !!!
Anon25 [30]

Answer:

Corresponding side of AB is FE

Corresponding side of CB is DE

Corresponding side of AC is FD

k =2

DE = 6

FD=10

Step-by-step explanation:

Given

\triangle ABC and \triangle FED

See attachment for triangles

Solving (a): Corresponding side of AB

Going by the names of the triangle, the corresponding sides are:

AB and FE; CB and DE; AC and FD

Hence, the corresponding side of AB is FE

Solving (b): Corresponding side of CB

This has been solved in (a) above.

The corresponding side of CB is DE

Solving (c): Corresponding side of AC

This has been solved in (a) above.

The corresponding side of AC is FD

Solving (d): Scale factor from ABC to FED

To do this, we simply divide the lengths of corresponding sides.

The scale factor k is:

k = \frac{FE}{AB}

k = \frac{8}{4}

k =2

Solving (e): Length of DE

We make use of the scale factor calculated in (d) above

k = \frac{DE}{CB}

2 = \frac{DE}{3}

DE = 2 * 3\\

DE = 6

Solving (f): Length of FD

Using Pythagoras:

FD^2 = DE^2 + EF^2

FD^2 = 6^2 + 8^2

FD^2 = 100

FD = \sqrt{100

FD=10

7 0
3 years ago
PLZZZ I NEED HELP IM ON A TIMER AND I WILL GIVE BRAINLIEST!! :)
ollegr [7]

Answer:

21.25

Step-by-step explanation:

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3 years ago
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Unit of area is the square metre (written as m2)
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Anyone? please help asap i really want to finish this
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Q. 3

b \geqslant 2 \\

<u>b∈(2,∞)</u>

Q. 4

r   <  - 5

<u>r∈(-∞, -5)</u>

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Yes it is. The statement is precise and reversible.
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