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Dimas [21]
3 years ago
6

A triangle has sides of length 2 cm, 8 cm and 9 cm.

Mathematics
2 answers:
Rasek [7]3 years ago
7 0

Answer:

113.97 degrees

Step-by-step explanation:

use the cosine rule for finding an angle

cosA = <u>b^2 + c^2 - a^2</u>

                 2bc

Veseljchak [2.6K]3 years ago
4 0

Answer:

It is 113.97 degrees

Step-by-step explanation:

Hope this helped have an amazing day!

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