Question

solve the problem please

Answer 1

Hey mate !!!

Answer :-

Figure 1 is rectangle

So all angles will be 90°

Figure 2 is parallelogram .

Sum of adjacent sides = 180°

=> 45 + a = 180

=> a = 180-45

=>a = 135°

a = 135° , c = 135° ,b = 45°

Hope this helps

Answer 2

Answer:

Step-by-step explanation:

a. b=90 (because opposite angles of a parallelogram are equal)

b+a=180 (adjacent angles are supplementary)

90+a=180

a=180-90

c=a=90 (opposite angles are equal)

b. b=45(opposite angles are equal)

b+a=180 (adjacent angles are supplementary)

45+a=180

a=180-45= 135

c=a=135(opposite angles are equal)

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