Form equations with the help of the following statements:
(a)
In an isosceles triangle, the base angles are equal. The vertex angle is twice of the base angle. For
equation for the sum of all angles. (Take base angle asp).
(b) A number is multiplied by 80. When 60 is added to it, the result becomes 365. Assuming the variabi
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form an equation with zero 0 on RHS of equality.
In
1
E
(c) A number is taken. Its 200 value is obtained. When 40 is added to the result is 1000. Form an equ
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with the help of this data. Assume the variable on your own.
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Answer:
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Answer:
Let each base angle be x in an isosceles △ABC
Then vertex angle be 2(x+x)=4x
Since sum of angles of a triangle is 180
o
.
Hence 4x+x+x=180
o
⇒6x=180
0
⇒x=30
0
∴ Angles are 30
o
,30
o
,120
o