Find the best solutions to your questions at Westonci.ca, the premier Q&A platform with a community of knowledgeable experts. Get detailed and accurate answers to your questions from a community of experts on our comprehensive Q&A platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

Can someone help me out please

Can Someone Help Me Out Please class=

Sagot :

Answer:

x = 9

∠B = 7 x 9 - 1 = 62°

∠BCD = 120°

Step-by-step explanation:

exterior angle of a triangle is equal to the sum of two opposite interior angles

∠BCD = ∠CBA + ∠BAC

10x + 30 = (7x - 1) + (58)

10x + 30 = 7x + 57

3x = 27

x = 9

∠B = 7 x 9 - 1 = 62

∠BCD = 10 x 9 + 30 = 120

Thank you for your visit. We are dedicated to helping you find the information you need, whenever you need it. Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. Discover more at Westonci.ca. Return for the latest expert answers and updates on various topics.