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zheka24 [161]
3 years ago
13

Quadrilateral ABCD is a rhombus. suppose measure of angle A decreases. Which of the following changes woukd also need to happen

in order for ABCD to still be a rhombus
Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
6 0
Assuming the side lengths did not change, ...

Angle C would need to decrease by the same amount.
Angles B and D would each need to increase by the amount angle A decreased.
ad-work [718]3 years ago
6 0

Answer:

Step-by-step explanation:

Given that quadrilateral ABCD is a rhombus.  Given that angle A decreases.

Since nothing is mentioned about the side of the rhombus, we see that side is not changing.

When angle A decreases, since opposite angles are congruent we must have equal decrease in C

Also opposite sides are parallel in a rhombus, hence adjacent angles are supplementary.

i.e. Whenever A decreases by a quantity say p, then B and D, the adjacent angles must increase by same quantity p so that the parallel lines property is preserved in the rhombus.

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