Wendy described four triangles as shown below:

2 answers:

6 0

Triangle C is not unique
A - all sides 9cm, equilateral
B - 2 sides measure 10cm and included angle 60°, it is an equilateral triangle
C- two angles 50°, opposite sides equal, isosceles triangle, it can have variable length of sides.
D - base 8cm, base ANGLES 45°, it's an isosceles triangle but with a fixed lengh of other two sides.

Sphinxa [80]3 years ago

5 0

The Triangle thats not unique is letter D

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andreev551 [17]

Answer:

Average rate of change is <u>0.80.</u>

Step-by-step explanation:

Given:

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Average rate of change is the ratio of the overall change in 'y' and overall change in 'x'. If the overall change in 'y' is positive with 'x', then average rate of change is also positive and vice-versa.

The average rate of change for two points $(x_1,y_1)\ and\ (x_2,y_2)$ is given as: