The sum of two complementary angles is 90°. For one pair of complementary angles, the measure of the first angle is 15 less than twice the m

Question

The sum of two complementary angles is 90°. For one pair of complementary angles, the measure of the first angle is 15 less than twice the measure of the second angle. Write a system of equations that can be used to determine the measure of the first angle, a, and the measure of the second angle, b.
•a+b=90
a-2b=15
•a+b=90
2b-15=a
•a+b=90
2b+15=a
•a+b=90
2a-15=b

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Answers ( No )

    0
    2021-09-10T04:06:46+00:00

    Answer:

    a+b=90

    a=(2b)-15

    Step-by-step explanation:

    0
    2021-09-10T04:06:46+00:00

    Let
    a—————> first angle
    b—————> second angle
    we know that
    a+b=90
    and
    the measure of the first angle is 15 less than twice the measure of the second angle
    a=(2b)-15

    A system of equations that can be used to determine the measure of the first angle, a, and the measure of the second angle, b is
    a+b=90
    a=(2b)-15

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