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Arisa [49]
3 years ago
12

Can somebody help me out on this question I would really appreciate it so much . Please and thank you .

Mathematics
1 answer:
Vesnalui [34]3 years ago
7 0

Step-by-step explanation:

AB = AC, so mark the two sides with single tick marks.

m∠ACD = 128°, so label the angle 128°.

∠ACB is supplementary to ∠ACD, so:

m∠ACB + m∠ACD = 180°

m∠ACB + 128° = 180°

m∠ACB = 52°

ΔABC is an isosceles triangle, so m∠B = m∠ACB.

m∠B = m∠ACB

m∠B = 52°

Angles of a triangle add up to 180°, so:

m∠A + m∠B + m∠ACB = 180°

m∠A + 52° + 52° = 180°

m∠A = 76°

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Answer: 12

Step-by-step explanation: To find the least common multiple or lcm of 4 and 12, begin by listing the first few multiples of each number.

<em><u>Multiples of 6</u></em>

1 × 6 = 6

2 × 6 = 12

3 × 6 = 18

Notice that we skipped 0 × 6 in our list of multiples.

That's because 0 × 6 is 0 and our least common multiple can't be 0.

When listing the multiples of 12, it's a good idea to keep an eye on the list of multiples for 4 so that we will notice when we find a least common multiple.

<em><u>Multiples of 12</u></em>

1 × 12 = 12

Notice that 12 is also a multiple of 6 so our least common multiple is 12.

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So the least common multiple or LCM of 4 and 12 is 12.

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The height of the cone with a volume of 1/18π ft³ is: 1.5 ft.

<h3>What is the Volume of a Cone?</h3>

Volume of a cone = 1/3πr²h, where, h = height of cone, and r = radius of the cone.

Given the following:

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Plug in the values into the volume formula:

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