Changes
From Karnataka Open Educational Resources
135 bytes added
, 09:22, 29 April 2019
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| *Triangles are similar if their corresponding angles are congruent and the ratio of their corresponding sides are in proportion. | | *Triangles are similar if their corresponding angles are congruent and the ratio of their corresponding sides are in proportion. |
| *To develop an ability to state and apply the definition of similar triangles. | | *To develop an ability to state and apply the definition of similar triangles. |
− | *recognize and apply “corresponding sides of similar triangles are proportional”. | + | *Recognize and apply “corresponding sides of similar triangles are proportional”. |
| ===Estimated Time=== | | ===Estimated Time=== |
| 45 minutes. | | 45 minutes. |
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| #Two triangles are similar if they have: all their angles are equal or corresponding sides are in the same ratio | | #Two triangles are similar if they have: all their angles are equal or corresponding sides are in the same ratio |
| #In similar triangles, the sides facing the equal angles are always in the same ratio. Application of this finds its use in finding the unknown lengths in similar triangles . For this : | | #In similar triangles, the sides facing the equal angles are always in the same ratio. Application of this finds its use in finding the unknown lengths in similar triangles . For this : |
| + | ##Step #1: Find the ratio of corresponding sides in pairs of similar triangles. |
| + | ##Step #2: Use that ratio to find the unknown lengths. |