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In a obtuse angled DeltaABC, angleA is o...

In a obtuse angled `DeltaABC, angleA` is obtuse and O is orthocentre. If `angleBOC=54^(@)` then find `angleBAC`

A

108

B

126

C

136

D

116

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An obtuse angle is

Knowledge Check

  • If triangle ABC , is obtuse angled at C , then

    A
    `AB gt BC`
    B
    `AB = BC`
    C
    `AB lt BC`
    D
    `AC lt BC`

  • Let O be the orthocentre of the triangle ABC. If angleBOC = 150^@ , Then angleBAC is

    A
    `30^@`
    B
    `60^@`
    C
    `90^@`
    D
    `120^@`

  • In an isosceles triangle DeltaABC , if angle B=70^(@) find angleA

    A
    `40^(@)`
    B
    `70^(@)`
    C
    `60^(@)`
    D
    `90^(@)`

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    An obtuse angle is

    In a Delta ABC, angleBOC=130^(@) , if O is orthocentre . Find angle A .

    In a triangle PQR, if angleQ is obtuse and S is the orthocentre of DeltaPQR , then find the orthocentre of DeltaPSR .

    In a triangle PQR , if angle Q is obtuse and S is the orthocentre of Delta PQR , then find the orthocentre of Delta PSR

    If O is the orthocentre of a triangle ABC and angleBOC=100^(@) , the measure of angleBAC is

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