Common Core · Mathematics
G-SRT.1a
High school · High School: Geometry — Similarity, Right Triangles, & Trigonometry
A dilation takes a line not passing through the center of the dilation to a parallel line, and leaves a line passing through the center unchanged.
- Official code
- CCSS.MATH.CONTENT.HSG-SRT.1a
- Short code
- G-SRT.1a
- Subject
- Mathematics
- Grade
- High school
- Domain
- High School: Geometry — Similarity, Right Triangles, & Trigonometry
More High school High School: Geometry — Similarity, Right Triangles, & Trigonometry standards
G-SRT.1
Verify experimentally the properties of dilations given by a center and a scale factor:
G-SRT.10
10. (+) Prove the Laws of Sines and Cosines and use them to solve problems.
G-SRT.11
11. (+) Understand and apply the Law of Sines and the Law of Cosines to find unknown...
G-SRT.1b
The dilation of a line segment is longer or shorter in the ratio given by the scale factor.
G-SRT.2
Given two figures, use the definition of similarity in terms of similarity...
G-SRT.3
Use the properties of similarity transformations to establish the AA criterion for two...
G-SRT.4
Prove theorems about triangles.
G-SRT.5
Use congruence and similarity criteria for triangles to solve problems and to prove...
G-SRT.6
Understand that by similarity, side ratios in right triangles are properties of the...
G-SRT.7
Explain and use the relationship between the sine and cosine of complementary angles.
G-SRT.8
Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in...
G-SRT.9
(+) Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an...
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