(-3.1)²×(2.6-5.3)+ 9.32
1 answer:
9514 1404 393
Answer:
-16.627
Step-by-step explanation:
It works well to use a calculator to evaluate this expression.
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= 9.61×(-2.7) +9.32 . . . . . . evaluate the difference first, then the square
= -25.947 +9.32 . . . . . . . perform the multiplication
= -16.627 . . . . . . . . . . . . finally, do the addition
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Answer:
Step-by-step explanation:
Given
The attached rhombus
Required
The area
First, calculate the length of half the vertical diagonal (x).
Length x is represented as the adjacent to 60 degrees
So, we have:
Solve for x
So:
At this point, we have established that the rhombus is made up 4 triangles of the following dimensions
So, the area of the rhombus is 4 times the area of 1 triangle