Question

In quadrilateral ABCD angle B=90, angle C- angle D=60 and A-C-D=10 .Find A, C ,and D .
please give explanation​

Answer 1

Answer:

a=140,

b=90,

c=35

,d=95

Step-by-step explanation:

A+B+C+D=360

A+C=180

B+D=180 SINCE ABCD IS A QUADRILATERAL

G.T. C-D=60 & A-C-D=10 & B=90

ANGLE D=180-ANGLE B 180-90=90

ALSO GIVEN, ANGLE C- ANGLE D=60

ANGLE C =60 + ANGLE D =60+90=150

SINCE ABCD IS A QUADRILATERAL, ANGLE A+ ANGLE C=180

SO ANGLE A =180-ANGLE C=180-150=30

ANGLE A=30 DEGREES

ANGLE C=150 DEGREES

ANGLE D=90 DEGREES

Answer 2

Answer:

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