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Ann [662]
3 years ago
11

22 points! I will mark brainliest if correct, but will report if answer is unrelated pls I need help also have a nice day!

Mathematics
2 answers:
AnnZ [28]3 years ago
7 0

Answer:

Step-by-step explanation:

Area of one triangular face = 0.5(base)(height) = 20 sq cm

Surface area = 4(20) = 80 sq cm

Lena [83]3 years ago
4 0

Answer:

A. 80^2cm\\

Step-by-step explanation:

Link: https://quizlet.com/140201662/surface-area-and-volume-application-of-surface-area-in-context-flash-cards/

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Find the measure of angle X.<br><br><br>11°<br><br>12°<br><br>17°<br><br>61°
nika2105 [10]

Answer:

option B : 12 degree

Step-by-step explanation:

The sum of angles in a triangle = 180 degree

Small box represents 90 degree

From the inner triangle

90 + angle y + 29 = 180 degree

90 + y + 29 = 180

119 + y = 180 (subtract 119 on both sides)

y= 61 degree

 (y+x) is the top angle for bigger triangle

From the outer triangle , 90 + (y+x) + 17 = 180

We know y = 61

90 + (61+x) + 17 = 180

90 + 61 + x 17 = 180

168 +x = 180(subtract 168 on both sides)

x= 12 degrees



6 0
3 years ago
Whoever gets this right will get a brainiest and a good rating
zzz [600]

Answer:

The radius and the diameter of the circle are 11 cm and 22 cm respectively.

Step-by-step explanation:

The radius of a circle is a line segment extending from the center of a circle or sphere to the circumference or bounding surface, while the diameter of a circle is a straight line passing from side to side through the center of a body or figure, commonly a circle or sphere. Since the diameter goes entirely across the circle while passing through the midpoint - or center - of a circle and the radius only goes from the edge to the midpoint, that means the diameter is twice as big as the radius. In this example, the radius is already given to you, which is 11 cm, based on the image. Using this, you can figure out the diameter of that circle would be 11 * 2 or 22 cm. So the radius of the circle is 11 cm, while the diameter of the circle is 22 cm.

8 0
3 years ago
Read 2 more answers
(08.05 MC) The box plot below shows the number of years that 12 schools have participated in an interschool swimming meet: A box
bearhunter [10]

Answer:

20% of the total schools participated for 6 years or more. This is because the part of the box plot wherein it hits 6 years and above is 20%. Thus, if there are 20 schools, then 20% of it would be 4. In conclusion, there are 4 schools that participated for 6 years or more.

Step-by-step explanation:

7 0
2 years ago
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What is the reciprocal of the interger 67 ?
boyakko [2]
1/67 maybe -------------------
4 0
3 years ago
Read 2 more answers
A standard deck of 52 cards contains 13 cards with hearts, 13 with diamonds, 13 with clubs, and 13 with spades. How
PIT_PIT [208]

Answer:

133,784,560

Step-by-step explanation:

using the combinations formula: n!/(n-r!)r!, the equation would be 52!/52-7! x 7! which is simplified to 52!/45!7! which is equal to 133,784,560

7 0
3 years ago
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