If AB ∥ DC, ABCD cannot be non-convex because consecutive interior angles sum to 180°, preventing reflex angles. If AB = CD or ∠A = ∠C, it can be non-convex, such as in an arrowhead shape. Class 9 Ganita Manjari Part ...
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Kriti
Asked: In: Class 9 Maths
The algorithm handles this partially or ambiguously because Step 3 explicitly specifies adding “the two digits.” It lacks instructions for processing the remaining leftmost columns where the 3-digit number has no digits left. Cbse Class 9 Maths Ganita Manjari Part 2 ...
Kriti
Asked: In: Class 9 Maths
Because quantities are equal, we average the fractions. Adding 1/10, 9/50 and 1/20 gives 33/100; dividing this sum by 3 yields a final nitrogen fraction of 11/100 or 0.11. Cbse Class 9 Maths Ganita Manjari Part 2 Solutions class 9 maths ...
The proposition is true because square angles are 90 degrees. Its converse (“If all angles of a quadrilateral are equal, then it is a square”) is false; a rectangle provides a counterexample.