Question

Find the values of a in each of the following figures.​ PLEASE ANSWER THE QUESTION IF YOU KNOW THE ANSWER IF YOUR ANSWER IS IRRILATIVE I'LL REPORT THAT ANSWER ​

Answer 1

(b)

we know that:-

sum of all angle of quad. = 360°

<A + <B + <C + <D = 360°

a+20 + 80 + a + 10 + 3a = 360

5a + 110 = 360

5a = 360-110

a = 250/50

a = 50

now....

A = 3a= 150

B= a+20= 70

C= a + 10 = 60

D= 80

(c)

we know that:-

sum of all angle of quad. = 360°

<A + <B + <C + <D = 360°

90 + (5a + 10°) + (3a + 15°)+ (2a+ 5°). =360

10a + 120 = 360

10 a. = 240

a. = 24

A=90°

B=5a+ 10 =130 °

C=3a+15 = 87°

D=2a+ 5.= 53°

let me check

sum of all angle of quad. = 360

<A + <B + <C +<D

90+ 130 + 87 + 53 = 360....

Answer 2

Answer:

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