the side surface of this pyramid consists of 6 isosceles triangles with a base 16 and a side 17.
Find the area of one triangle.
S = 1/2bh, where b is the base and h is the height.
The height is found by the Pythagorean theorem.
The height is equal to the square root of the difference between the squares of the side of the triangle and the half of the base. Half of the base 16 / 2 = 8
17*17 - 8*8 = 225. The square root of 225 is 15. The height of the triangle is 15. Then the area of the triangle will be equal to S = 1/2*16*15 = 120 and the area of the side surface of this pyramid is equal to the area of one triangle multiplied by 6. S1 = 120 * 6 = 720
spodobnyi
06.08.2022
No matter how people argue about the importance and necessity of a kindergarten in a person's life, I still consider kindergarten an irreplaceable stage in the life of a little citizen. If you imagine life in the form of a house, then the kindergarten can most likely be attributed to the porch, without it, of course, you can get inside, but how many problems and inconveniences this causes, and the house is already incomplete without it. These steps on the porch are nothing more than socialization, broadening one's horizons, developing a creative approach, learning new things, punctuality and much more that opens the door to adulthood.
For a child, a kindergarten is a second home in which he lives, develops, learns the world through communication in a team. Kindergarten can be called another world, into which parents look when they bring their children, take part in the life of the group and the kindergarten, and attend matinees. This world has its own rules and regulations.
In a modern kindergarten, I would like to see convenient access and parking spaces, beautiful outdoor playgrounds for children, a swimming pool, a living area, various sections and circles, comfortable sleeping places, and educational toys. To make the conditions for children better, the playrooms are large and bright. And even now it is noticeable that the gardens are changing. They are no longer the same as they were before, the gaze is directed at the child, at his development, a lot of things the parent himself can learn for himself. After all, life is now so intense and does not stand still, which means that the kindergarten is developing, helping children to cope with everything that he has to overcome, becoming an adult.
Although it is not so important what a modern kindergarten looks like: a small house by the river in grandmother's village, a multi-storey one - high in the mountains, in the form of a ship or a fairytale tower. The main thing is that the children feel good there, that in the morning they hurry to the kindergarten, and in the evening they wait for their mother and excitedly tell her about their successes. And it is very important that there are real educators next to them!
Лебедев972
06.08.2022
1.ми часто имеем каникулы в горах.Мы любим.. 2.Я ненавижу..Я отдал свой старый велик брату. 3.Я люблю... в парке,это хорошее упражнение 4.Басейн это ок,но я люблю... в море 5.Джон не хочет пойти за покупками.Он любит.. 6.Моя мама может использовать емейл,но ей больше нравится.. письма
7.Джэрри нравится... радио,когда он в душе 8.мой брат иногда любит Американский футбол на ТВ
Слова сверху: ski-кататься на лыжах Write- писать Run- бежать Shop - покупать или магазин Listen -слушать Cycle-кататься на байке (обычно) Watch-смотреть Swim- плавать
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Объяснение:
the side surface of this pyramid consists of 6 isosceles triangles with a base 16 and a side 17.
Find the area of one triangle.
S = 1/2bh, where b is the base and h is the height.
The height is found by the Pythagorean theorem.
The height is equal to the square root of the difference between the squares of the side of the triangle and the half of the base. Half of the base 16 / 2 = 8
17*17 - 8*8 = 225. The square root of 225 is 15. The height of the triangle is 15. Then the area of the triangle will be equal to S = 1/2*16*15 = 120 and the area of the side surface of this pyramid is equal to the area of one triangle multiplied by 6. S1 = 120 * 6 = 720