Question

A triangle has sides of length 2 cm, 8 cm and 9 cm.
Calculate the value of the largest angle in this triangle.
:)

Answer 1

Answer:

113.97 degrees

Step-by-step explanation:

use the cosine rule for finding an angle

cosA = b^2 + c^2 - a^2

                 2bc

Answer 2

Answer:

It is 113.97 degrees

Step-by-step explanation:

Hope this helped have an amazing day!