Someone help me please
1 answer:
You might be interested in
Answer:
x=5
Step-by-step explanation:
∠D=∠E (angles opposite to equal sides are equal)
So, =3x+10
10=-3x
10=x(x-3)
we know 5×2= 10 & 5-3=2,
So, 10=5×(5-3)
10=5×2
∴x=5
Answer:
B
Step-by-step explanation:
Expressing the ratios as fractions, that is
=
( cross- multiply )
a = 3b
=
( cross- multiply )
c = 5b
------------------------------------------
Given
, substitute values from above for a and c
=
=
= ← cancel b on numerator/ denominator
= → B