jerzie53
28.09.2019 •
Mathematics
Aclass tossed coins and recorded 165 heads and 172 tails. what is the experimental probability of heads
51%
25%
49%
61%
Solved
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Ответ:
165
337
then divide
49%
Ответ:
261 cm²
Step-by-step explanation:
To find the surface area of a square pyramid, you must first recognize all of the shapes.
There are four triangles and one square.
To find the area of a square, multiply the side by itself twice.To find the area of a triangle, multiply the base and the height, then multiply the product by 1/2.The triangles have a base of 9 and a height of 10.
Multiply the product by 1/2.
There are four triangles.
The area of all three triangles is 180 centimeters; the area of a single triangle is 45 centimeters.
There square has sides of 9 centimeters.
The area of the square is 81 centimeters.
Lastly, we add the areas of the shapes.
Therefore, the surface area of this square prism is 261 cm².
You can use this layout to find the surface area of a square pyramid.