Question

what is the value of p?
8p
40°
3p+49°
write your answer as an integer or as a decimal rounded to the nearest tenth.
p = \\(\square\\)°
submit

Explanation:

Step1: Apply exterior angle theorem

$8p = (3p + 49) + 40$

Step2: Simplify right-hand side

$8p = 3p + 89$

Step3: Isolate variable term

$8p - 3p = 89$
$5p = 89$

Step4: Solve for $p$

$p = \frac{89}{5}$

Answer:

$17.8$