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pychu [463]
2 years ago
5

In the figure shown, △BAC ≅ △EDF what is the value of x?

Mathematics
1 answer:
NISA [10]2 years ago
4 0

Step-by-step explanation:

△BAC ≅ △EDF (given)

Therefore,

BC=EF

x-4=19

x=23

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96.3cm measured to the nearest tenth of a cm
Anarel [89]

Answer:

100cm

Step-by-step explanation:

the tenths of cm are 10,20,30 etc.

6 0
2 years ago
A triangle has side lengths of 15 10 and 7 is it a right triangle
lions [1.4K]

Answer:

No, it is not a right triangle.

Step-by-step explanation:

Given:

The sides of the triangle =  15 10 and 7

To Find:

Whether the triangle is a right triangle = ?

Solution:

According to Pythagorean theorem , In an right triangle the the sum of the squares of the two smaller sides must equal to the square of the larger side

a^2 +b^2 =c^2\\

where

a and b are the smaller sides

c is the larger side

Now from the given data, lets assume

a = 10 and b =7 and c =15

Substituting in the above equation we get,

(10)^2 +(7)^2 = (15)^2

100 + 49 = 225

149 = 225

149 \neq 225

So, the given triangle is not a right triangle.

7 0
3 years ago
Each batch of cookies that mrs. claus makes takes 20 minutes in the oven. If the oven is on for 3 hours ,how many batches of coo
liraira [26]
You would do 3x60=180 since there is 60 minutes in each hour then dives 180 and 20 which gives you 9 batches of cookies. Hope this helps!
4 0
3 years ago
Which is the best description for this graph? <br> Someone Please help me :)
wlad13 [49]
The answer would be the second one, the graph is decreasing everywhere
4 0
2 years ago
Read 2 more answers
What is the area of the semicircle (use 3.14 for ρ)?
oee [108]

Answer:

127.17cm²

Step-by-step explanation:

Area of a semicircle: πr² ÷ 2

d = 18

r = 18/2 = 9

Area of a semicircle: 9²π ÷ 2 = 127.17cm²

3 0
3 years ago
Read 2 more answers
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