Question

the length of its sides
11. Two complementary angles differ by 12°, find the angles?​

Answer 1

Step-by-step explanation:

Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. ... By 1800 BCE, the Indus Valley climate grew cooler and drier, and a tectonic event may have diverted or disrupted river systems, which were the lifelines of the Indus Valley Civilization.

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