Answer:
Step-by-step explanation:
Matrix addition is shown here.
1 answer:
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Answer:
Option (b).
Step-by-step explanation:
It is given that Adrian built a structure out of 10 congruent cubes.
Volume of each cube = 8 cubic centimetres.
We need to find the total volume of the structure.
Total volume = No. of cubes × Volume of each cube
Therefore, the total volume of the structure is 80 cubic centimetres.
Hence, option (b) is correct.
Answer:
Step-by-step explanation:
Angles in a straight line add up to 180°.
Angles in a triangle add up to 180°.