Answer:
Let "a", "b" and "с" be sides of the triangle ("с" is the longest side).
The triangle will be:
right if a² + b² = c²
аcute if a² + b² > c²
obtuse if a² + b² < c²
a.
a=3, b=4 and c=5
a² + b² = 3² + 4² = 9 + 16 = 25 and c² = 5² = 25
25 = 25 ⇒ right triangle.
b.
a=5, b=6 and c=7
a² + b² = 5² + 6² = 25 + 36 = 61 and c² = 7² = 49
61 > 49 ⇒ аcute triangle.
c.
a=8, b=9 and c=12
a² + b² = 8² + 9² = 64 + 81 = 145 and c² = 12² = 144
145 > 144 ⇒ аcute triangle.
Explanation:
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Two dominant climates in South Asia are:
- Tropical wet or equatorial climate
- Tropical dry or Savannah climate
<u>Explanation:</u>
Tropical wet climate characteristics :
- There are heavy rainfall and no dry season. The climate is consistent throughout the year.
- The regions in South Asia where this climate prevails are the west coast of India up to Mumbai, South of Sri Lanka, and the south of Bangladesh.
- The type of ecosystems found in the Tropical wet climate region is the Evergreen tropical rain forest and Monsoon rain forest.
- Animal found here is the monkey and vegetation available here are teak and ebony
Tropical dry climate characteristics :
- This climate is mainly characterized by a dry season followed by a wet season. It is found mainly in Southern India, Southern Bangladesh, and Sri Lanka.
- The tropical monsoon season is from July to December. The landscape in these regions is midway between a rain forest and a desert, mainly composed of grasslands.
- The type of ecosystems found in these regions is deserts and grasslands. Animal found here commonly is the elephant and vegetation found prominently are orchids and cacti.
