Two angles of a triangle are 70 and 20, find the third angle and tell what kind of triangle it is ​

Question

Two angles of a triangle are 70 and 20, find the third angle and tell what kind of triangle it is

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Eden 4 weeks 2021-08-16T05:57:13+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-16T05:58:43+00:00

    using angle sum property

    let third angle be x

    70 + 20 + x = 180

    90 + x = 180

    x = 180 - 90

    x = 90

    therefore third angle be 90°

    and it is right angled triangle

    0
    2021-08-16T05:59:03+00:00

    Answer:

    the other angle is 90

    this triangle is right angle triangle

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