Length of the cube = 7
Working:
Cube root of 343 =7
(or)
7^3=7*7*7=343
For congruence of triangles.
If;

Then the corresponding sides and angles will be equal.

Only the above congruence statements are true.
Any options that has any of the above congruence statement is true.
Answer:16
Step-by-step explanation:dsbwdb
Answer:
Step-by-step explanation: Identify the angle relationships, set up the equation that will yield the unknown value, solve the equation for the unknown value, substitute the answer to determine the measurement of the angles then, check and verify your answer by measuring the angle with a protractor.