Changes
From Karnataka Open Educational Resources
542 bytes added
, 05:11, 26 November 2019
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| === Process (How to do the activity) === | | === Process (How to do the activity) === |
| + | # '''with following measures - BC = 12 cms, ∡B = 60, ∡C = 60, (BC as the base)''' |
| + | ‘Play’ the construction protocol navigator to understand the construction, after students have constructed on their own |
| + | # What kind of triangle is it? |
| + | ## What kind of triangle is it - by sides? |
| + | ## What kind of triangle is it - by angles? |
| + | # Can this triangle be an obtuse angled triangle? |
| + | Draw the altitude from vertex A to segment BC. Label the intersection as D |
| + | |
| + | Measure its length. Measure ∡ADB and ∡ADC. |
| + | |
| + | Measure the area of the triangle ABC |
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| === Evaluation at the end of the activity === | | === Evaluation at the end of the activity === |