ruedaalexandra11 ruedaalexandra11

16-01-2020
Mathematics

contestada

The angles in a triangle have measurements (7X-8), (3X+3), and (18x-11). Is this triangle acute obtuse or right

Respuesta :

turtlegirlkaj turtlegirlkaj

16-01-2020

All angles in a triangle sum to 180°, so

(7x - 8) + (3x + 3) + (18x - 11) = 180

28x - 16 = 180

28x = 196

x = 7

(18x - 11) is the clearly largest angle

18(7) - 11 = 115°

115° is an obtuse angle, therefore the triangle is obtuse

Answer Link

Otras preguntas

Which object is a system made up of subsystems A. Mineral B. Rock C. Earth D. Box

(a.) what is the GCF of 33 and 42 using prime factors? (b.) what is the GCF of 72 and 30 by dividing by prime factors? (c.) what is the GCF of 27, 76, and 34 b

Enzymes are proteins that speed up reactions by

Facebook's initial IPO was $38 per share. Arianna purchased 616 shares. Assuming a cost of $7.00 to purchase the 616 shares, what was Arianna's total cost?

The camera Melissa wanted for her birthday is on sale at 21% off the usual price. The amount of the discount is $79.80. What was the original price of the camer

How could the loss of biodiversity affect humans?

The active sections that are located along fault lines are called

What is the percentage increase from 108.5 to 145.4

out of the three states of matter which cannot be compressed on applying pressure

Enzymes are proteins that speed up reactions by