Question

please answer these questions
it's very urgent ​

Answer 1

$\huge\mathfrak\pink{13)130°}$

$\huge\mathfrak\pink{14)6/5}$

$\huge\mathfrak\pink{15)-11/23}$

Step-by-step explanation:

13)

In ∆ABC, angle ACD is an exterior angle and angle CAB=60° and angle ABC =70°

we know that

"The exterior angle of the triangle is equal to the sum of two opposite interior angles".

=>angle ACD=angle CAB+angle ABC

=>X=60°+70°

=>X=130°

The value of X =130°

14)

Given fractions are 2/3 and 9/5

Their product=(2/3)×(9/5)

=>(2×9)/(3×5)

=>18/15

=>6/5

The product of 2/3 and 9/5=6/5

15)

Given fraction= -33/69

It can be written as=-(3×11)/(3×23)

Cancelling 3 ,then

-33/69=-11/23

The standard form of -33/69= -11/23

Answer 2

Answer:

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