tigerlily2019 tigerlily2019

11-11-2016
Mathematics

contestada

if ABCD is a parallelogram,find m>D and angle C=(9×-1) and angle A=(13×-25)

Respuesta :

Аноним Аноним

11-11-2016

Opposite angels are congruent (A = C)
13x - 25 = 9x -1
13x - 9x = -1 + 25
4x = 24
x = 24/4
x=6

m<C =9×-1
= 9 (6) -1
= 54 -1
=53

m<C + m<D = 180 (Consecutive angles are supplementary)
53 + m<D = 180
m<D = 180 -53
m<D = 127

answer: m>D = 127

Answer Link

Otras preguntas

If 400ml of milk is used for 8 pancakes,how much is used for 6

When this 3-digit number is rounded to the nearest hundred, it rounds to 200. Rounded to the nearest ten, this number rounds to 200. The sum of the digits of

A single tree produces about 2.6 × 102 lb of oxygen each year. The Amazon rainforest has about 3.9 × 1011 trees. About how many pounds of oxygen are produced in

If 400ml of milk is used for 8 pancakes,how much is used for 6

Explain how knowing that 5÷8 = 0 .625 helps you write the decimal for 4 5/8

A sports agent made one million dollars by charging a 12.5% commission to negotiate a long-term contract for a professional athlete. Find the amount of the cont

Light in vacuum travels at a speed of 3.00 x 10^8 m ^-1 s^-1 on average earth is 93,000,000 miles from the sun how many minutes does it take sunlight to reach

describe how a physical property, such as mass or texture, can change without causing a change in the substance.

What is 5.242 rounded to nearest tenth?

physical form in which a substance can exist