# geometry

If m angle 1 = 90°, what is m ADB?

1. 👍 0
2. 👎 0
3. 👁 650

1. 👍 0
2. 👎 0
2. The rafters of a roof meet at a 70° angle. The rafters form part of a isosceles triangle. What is the measure of one of the base angles

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Pre-Calc Helppp!!!

Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that B1 is smaller than

asked by John on March 31, 2012
2. ### Geometry(so lost)

Given ∆ABC≅∆PQR,m (angle)B=3v+4,and m(angle)Q=8v-6,find m(angle)B and m(angle)Q (quick question: what would be the symbol for "angle" on here?) How do I solve this???? STEP-BY-STEP would be amazing! Thank you.

asked by Mirabella♥ on March 11, 2016
3. ### Math

Equation practice with angle addition Given: m∠AOCm, angle, A, O, C is a straight angle. \qquad m \angle BOC = 6x + 29^\circm∠BOC=6x+29 ∘ m, angle, B, O, C, equals, 6, x, plus, 29, degrees \qquad m \angle AOB = 3x +

asked by Lexi on April 30, 2020
4. ### math

In a triangle ABC,right angled at B, BD is drawn perpendicular to AC. prove that: (i) angle ABD = angle c (ii) angle CBD = angle A

asked by sunny on July 27, 2012
5. ### geometry

For each of the following, tell how many noncongruent triangles PQR fit the given description, and find the size of angle Q. Make a separate diagram for each case. (a) p = 3, q = 5, angle P = 27 degrees (b) p = 8, q = 5, angle P =

asked by john on April 18, 2010
1. ### Geometry

In ΔABC, AD and BE are the angle bisectors of ∠A and ∠B and DE ║ AB . Find the measures of the angles of ΔABC, if m∠ADE: m∠ADB = 2:9.

asked by M on December 8, 2019
2. ### Geometry

Write a two column proof. Given: angle STV is congruent to angle TVU, angle STU is congruent to angle UVS. Prove: Angle SVT is congruent to angle UTV.

asked by David on September 27, 2011
3. ### Algebra

One angle of a triangle is 2 more than four times as large as the other angle. The third angle is three times the first angle decreased by 6. What is the measure of each angle? x+4x+2+3x-6=180 7x=180+6-2 7x=184 x=26.3 angle 1:

asked by ! on February 21, 2017
4. ### geometry

obtuse triangle ABC with obtuse angle B. Point D on side AC such that angle BDC is also obtuse. Angle DAB is 2/3 of angle ABD. Angle BCD is 1/5 of angle CBD is 4 more than angle BAD. Find the measure of angle ABC.

asked by suzy on November 30, 2010
5. ### Geometry

Given: angle ABD is a right angle , angle CBE is a right angle. Prove: angle ABC is congruent angle DBE

asked by Sam on September 29, 2011