Can someone help? I have been stuck on this question forever. ;-;

Mathematics

1 answer:

Alenkinab [10]3 years ago

8 0

The ratio of the circumference to the diameter is 9.42/3 or 3.14. Hope it help!

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Help on these questions. Please show work it would help a lot. Thanks :)

Murrr4er [49]

10: an isosceles base angles are both equal. A triangle has 3 angles. All three angles added equals 180 in every triangle. since one of the base angle is 72 degrees then the other base angle is 72 degrees. ( a triangle has two base angles). so 72+72= 144

   180-144= 36
The vertex angle = 36 degrees.

11: angles ratio is 2:4:6. Remember that all angles equal 180. Add the ratio amounts, 2+4+6= 12. Then divide 180 by 12 (180/12 = 15).
the smallest angle ratio is 2, so multiply 15 by 2 ( 15 * 2= 30 )
the smallest angle is 30 degrees.

12: all three angles of a triangle adds up to 180. thus, 64 + 74 + x = 180
       138 + x = 180
   x= 180 - 138
   x = 42
x is the third angle. so the third angle is 42 degrees.

6 0

3 years ago

Will give brainliest need anwser now: Karen and Kevin collect coins. Karen has x coins. Kevin has 4 coins fewer than four times

vodka [1.7K]

Answer:

100889999999999999999

5 0

3 years ago

3/8 divided by -0.25

madreJ [45]

Answer:

thw answer is -3/2 and in decimal form its -1.5

Step-by-step explanation:

hoped I helped:)

5 0

3 years ago

What is the area of the triangle that is 30 m base in the height of 12 m in a straight line of 13

Reika [66]

Answer:

Step-by-step explanation:

3 0

3 years ago

Question 7

serg [7]

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

Given - a cone with volume 769?3 ft³ , having a height of 15 ft

To calculate - radius of the cone

We know that ,

$\bold{Volume \: of \: cone = \frac{1}{3}\pi \: r {}^{2} h }\\$

substituting the values in the formula stated above ,

$\bold{769.3 = \frac{1}{3} \times 3.14 \times r {}^{2} \times 15} \\ \\\bold{\implies r {}^{2} = \frac{769.3 \times 3}{3.14 \times 15} } \\ \\\bold{\implies r {}^{2} = \cancel\frac{2307.9}{47.1}} \\ \\\bold{ \implies \: r {}^{2} = 49} \\ \\ \bold{\implies \: r = 7 \: ft}$

therefore ,

radius = 7 cm

hope helpful ~

4 0

2 years ago