3 years ago

Measure (7x+1) (2x+1)

Mathematics

2 answers:

Temka [501]3 years ago

7 0

Answer:

-7 the mesaures. of the smaller

Gemiola [76]3 years ago

4 0

Smaller angle = 41°

Larger angle = 139°

Step-by-step explanation:

(7x - 1) + (2x + 1) = 180

7x + 2x - 1 + 1 = 180

9x = 180

x = 20

The measure of the smaller angle is

2x + 1

= 2(20) + 1

= 40 + 1

= 41°

The measure of the larger angle is

7x - 1

= 7(20) - 1

= 140 - 1

= 139°

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