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2 answers:
Answer:
Option C The measure of angle CAB = The measure of angle C prime A prime B prime
Step-by-step explanation:
we know that
The transformation of the figure is a reflection, so after the transformation the shape still has the same size, area, angles and line lengths.
the triangles ABC and A'B'C' are congruent
therefore
the corresponding sides and corresponding angles are equal
so
The relationship between the measures of the angles of the two triangles is
-----> the solution
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Answer:
see explanation
Step-by-step explanation:
The 4 sides of a rhombus are congruent.
(i)
2y + x - 4 = 2x - y ( subtract 2x - y from both sides )
3y - x - 4 = 0 ( add 4 to both sides )
3y - x = 4 → (1)
and
= 2x - y ( multiply both sides by 2 to clear the fraction )
4x - 3y + 5 = 4x - 2y ( subtract 4x - 2y from both sides )
- y + 5 = 0 ( subtract 5 from both sides )
- y = - 5 ( multiply both sides by - 1 )
y = 5
substitute y = 5 into (1)
3(5) - x = 4
15 - x = 4 ( subtract 15 from both sides )
- x = - 11 ( multiply both sides by - 1 )
x = 11
(ii)
then
2x - y = 2(11) - 5 = 22 - 5 = 17
perimeter = 4 × 17 = 68 cm