I need help on this math problem. How do you solve 18t + 30.
1 answer:
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Answer:
72 cm
Step-by-step explanation:
You can solve this problem using the properties of the 45-45-90 right triangle. Assuming the 12 cm is a diagonal of the square, each side of the square can be modeled as x, and the diagonal will be x.
This means , so
.
Next, to find the area of the square you take the square of any of its sides. Since x is the length of one side, and , you can square
to get the area. This is equal to
or 72 cm.
Answer:
concrete operational stage
Step-by-step explanation:
Have a look at the attached photo below, it may be your full question:
The concrete operational stage is the third phase in Piaget's cognitive development theory. This period spans the period between childhood, it begins around 7 years of age and continues until about 11 years of age and is characterized by the development of logical thinking.
