The surface area of the pyramid with square base and four triangles will be 640 mm.
<h3>What is a pyramid?</h3>
A pyramid is a geometrical three-dimensional shape, which has a base of 360 degrees and the sides have an area of 270 degrees each.
The surface area of pyramid using given information can be calculated as,
Surface Area= 10 × 8 × 8 mm
This will be calculated as 640 mm.
Hence, the surface of the pyramid is given above.
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Answer:
D.
Explanation:
"Cave Art May Have Been Handiwork of Neanderthals" is an article written by Christopher Joyce. The article speaks about the new discoveries that scientists have made regarding cave art situated in Spain.
The author said in the article that these arts in the cave found in Spain were first attributed to Africans and that the arts must have been painted some 45,000 years ago. But with new technology, scientists are claiming that these arts are the work of some 65,000 years ago and at that time Neanderthals were assumed to exist. So, scientists with new technologies have proved their previous claims false.
<u>In the conclusive paragraph of his article, that is paragraph 17, Joyce says that the final credit of these arts depends on the new technologies. This means that the technologies used by scientists to date the cave art are not accurate</u>.
So, the correct answer is option D.
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