in adjoining figure find (a)x (b)<a and <b
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Answered by
1
Answer:
We know, by angle sum property, the sum of angles of a quadrilateral is 360
o
.
The given angles are ∠A=90
o
,∠B=6x−5
o
,∠C=7x−15
o
,∠D=2x+5
o
.
Then, ∠A+∠B+∠C+∠D=360
o
⟹ 90
o
+6x−5
o
+7x−15
o
+2x+5
o
=360
o
⟹ 15x+75
o
=360
o
⟹ 15x=360
o
−75
o
=285
o
⟹ x=19
o
.
Answered by
0
Answer:
ANSWER IS 19°
hope it's help you
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