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irga5000 [103]
3 years ago
11

If someone could help with these questiones

Mathematics
1 answer:
sp2606 [1]3 years ago
4 0
A) 100 m
b) 900 m
c) -5,100 m
d) -8,800 m
e) 650 m
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The perpendicular bisectors of sides AC and BC of △ABC intersect side AB
tiny-mole [99]

The measure of ∠ACB will be 110°

<u><em>Explanation</em></u>

According to the diagram below, DE and DF are the perpendicular bisectors of AC and BC respectively and they intersect side AB at points P and Q respectively.

So, AE=CE and CF= BF

Now, <u>according to the SAS postulate</u>, ΔAPE and ΔCPE are congruent each other. Also, ΔCFQ and ΔBFQ are congruent to each other.

That means, ∠PCE = ∠PAE  and ∠FCQ = ∠FBQ

As ∠CPQ = 78° , so  ∠PCE + ∠PAE = 78°  or,  ∠PCE = \frac{78}{2}= 39°                                    and as ∠CQP = 62° , so ∠FCQ + ∠FBQ = 62° or, ∠FCQ = \frac{62}{2}=31°

Now, in triangle CPQ,  ∠PCQ = 180°-(78° + 62°) = 180° - 140° = 40°

Thus, ∠ACB = ∠PCE + ∠PCQ + ∠FCQ = 39° + 40° + 31° = 110°



7 0
3 years ago
What is the answer to 12(4x+2)
AlexFokin [52]
Probably 6
I may be wrong but try it
3 0
3 years ago
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True or False: If two figures are congruent then there is only one way to
charle [14.2K]

Answer:

True

Step-by-step explanation:

This is because, for the figures to be congruent, it means that, all the shape of one figure happens to be same with the shape of the other figure even though the size of the figures might be different.

6 0
3 years ago
Find the area of the figure.
Lunna [17]

Answer:

25 square units

Step-by-step explanation:

just count them and each triangle is 1/2 a unit

6 0
3 years ago
At Daniel's Swimwear, there are 76 bikini styles and 4 other types of swimsuit. What percentage of the swimsuit styles are bikin
Alborosie

Total swimwear = 76 bikinis + 4 other types = 80 total


divide number of bikinis by total swimwear then multiply by 100:


76/80 = 0.95

0.95 x 100 = 95%

Answer: 95% are bikinis

3 0
2 years ago
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