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Rufina [12.5K]
3 years ago
7

A triangle with two acute angles must be a right angle

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
6 0
I think u might be right because i think only triangles have 2 acute angles and 1 obtuse  <span />
Novosadov [1.4K]3 years ago
4 0
I think your right because thats the only one with an acute and right angle

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I'm stuck on this homework question. I forgot the formula to find the side. This is 9th grade geometry.
dexar [7]

Answer:

x = 2root(22)

see image.

Step-by-step explanation:

The triangle shown is one big triangle cut into two more smaller triangles: one medium-sized and one smaller.

ALL THREE TRIANGLES ARE SIMILAR BY AA.

Set the two smaller triangles up so you can see the corresponding sides. x is the short leg in one triangle and it is the long leg in the smallest triangle. Set up a proportion.

22/x = x/4

crossmultiply

x^2 = 22•4

x^2 = 88

square root both sides.

x = sqroot(88)

x = 2sqroot(22)

see image.

3 0
3 years ago
What are the coordinates of the point obtained if the point A=(3,7) is rotated 180 degrees about the origin?
Yuliya22 [10]

Answer:

B. (-3, -7)

Step-by-step explanation:

Anytime you rotate a number 180° about the origin, the numbers in the coordinates become their opposites.

-3 is the opposite of 3 and -7 is the opposite of 7.

Therefore, your new coordinates are (-3, -7)

(x,y) becomes (-x,-y)

8 0
4 years ago
Explain truth tables and how they work​
lions [1.4K]

A truth table is a way of organizing information to list out all possible scenarios. We title the first column p for proposition. In the second column we apply the operator to p, in this case it's ~p (read: not p). So as you can see if our premise begins as True and we negate it, we obtain False, and vice versa.

6 0
3 years ago
Read 2 more answers
HELPPP!! ASAP PLZ!!!
ExtremeBDS [4]

Answer:

J: 84%.

Step-by-step explanation:

I don't really know how to explain this one.

8 0
4 years ago
-5(-3)(-3) what the product
sukhopar [10]

Answer:

Step-by-step explanation:

(-5) * (-3) * (-3) = -5 * -3 * -3 = 15 * -3 = -45

5 0
3 years ago
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