Central angle is twice an inscribed angle subtended by the same arc.
Therefore ∠CAB = 2∠CDB.
∠CAB = 45° → ∠CDB = 45° : 2 = 22.5°
Answer: C.
Less than 90°. All acute angles in a triangle are less than 90°.
Answer:
2x2 matrix
Step-by-step explanation:
Given
Dimension of matrices A = 2x2 matrix
Dimension of matrices B = 2x1 matrix
The dimension of matrix AB can be gotten by cancelling the row of matrices 1 and column of matrices 2.
After cancelling both row and column, the remaining dimension will be 2x2 matrix. Hence the dimension of AB is 2x2 matrix
- 6 - (-2)
- (-2) = 2
* two negatives = one positive
-6 + 2 = -4
-4 is your answer
hope this helps
720, 1440, 2880 these are the next three numbers
