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Monica [59]
2 years ago
8

A triangle has two equal sides.

Mathematics
1 answer:
Naddik [55]2 years ago
4 0

Answer:

a) isoceles

b) 40°

Step-by-step explanation:

a) an isoceles triangle has 2 sides of equal length

b) Two interior angles of an isoceles triangle are equal.

Also, the sum of the interiors angles of any triangle = 180°

We are told that one of the angles measures 100°.  This angle <u>cannot</u> be one of the 2 equal angles, as 2 x 100° = 200° which is greater than the sum of all three angles.

Therefore, the sum of the 2 equal angles must be 180 - 100 = 80

Therefore, the size of one of them = 80 ÷ 2 = 40°

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Elza [17]

Answer:

1: -12

2: 3 7/9

3: 7

Step-by-step explanation:

4 0
3 years ago
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A bag had 7 orange rocks , 6 green rock , 1 white rock ,7 black rocks , and 2 yellow you randomly pull a rock from the bag ,keep
daser333 [38]

Answer:

Probability = \frac{7}{253}

Step-by-step explanation:

Given

Orange = 7

Green = 6

White = 1

Black = 7

Yellow = 2

Required

Probability of selecting a yellow then orange rock

From the question, we understand that the probability is that of without replacement.

Since the yellow, is first picked.

We need to determine the probability of picking a yellow rock, first.

P(Yellow) = \frac{n(Yellow)}{Total}

P(Yellow) = \frac{2}{7 + 6 + 1 + 7 + 2}

P(Yellow) = \frac{2}{23}

The rock has reduced by 1;

Next is to determine the probability of picking an orange rock

P(Orange) = \frac{n(Orange)}{Total - 1}

P(Orange) = \frac{7}{7 + 6 + 1 + 7 + 2- 1}

P(Orange) = \frac{7}{22}

The required probability is calculated as thus:

Probability = P(Yellow) * P(Orange)

Probability = \frac{2}{23} * \frac{7}{22}

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3 years ago
Help with Geometry Homework Please?
Harrizon [31]
The answer for the first slot is Alternate Interior Angles Theorem
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Along a similar line of reasoning, the answer for the second slot is Alternate Exterior Angles Theorem
The two parallel lines in question are AC and FH. The transversal line is FC. Angles ACB and HFG are on the exterior of the "train tracks" formed by the parallel lines.
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3 years ago
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melisa1 [442]
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4 years ago
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NISA [10]

Answer:

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Step-by-step explanation:

54-36=18

36-24= 12

it is going down by multiples of six, so you would take 24 and subtract 6 and you will get 18

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3 years ago
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