Every triangle equals 180 degrees, and we're trying to find the angle of DBA. So, we can identify DAB as a 90 degree angle to start. Then we can identify that ACB = ADB, meaning ADB is 30 degrees. With that information, we have this equation:
DBA = 180 - 90 - 30
DBA = 60
The Big Three—Soviet leader Joseph Stalin<span>, British Prime Minister </span>Winston Churchill<span> (replaced on July 26 by Prime Minister </span>Clement Attlee<span>), and U.S. President </span>Harry Truman<span>—met in </span>Potsdam, Germany<span>, from July 17 to August 2, 1945, to negotiate terms for the end of World War II. After the Yalta Conference of February 1945, Stalin, Churchill, and U.S. President Franklin D. Roosevelt had agreed to meet following the surrender of Germany to determine the postwar borders in Europe. Germany surrendered on May 8, 1945, and the Allied leaders agreed to meet over the summer at Potsdam to continue the discussions that had begun at Yalta. Although the Allies remained committed to fighting a joint war in the Pacific, the lack of a common enemy in Europe led to difficulties reaching consensus concerning postwar reconstruction on the European continent.</span>
Answer:
We are given that triangle PQR is an isosceles triangle in which PQ = PR .
Since the base angles of an isosceles triangle are equal,
angle PQR = angle PRQ
Also, And we are given that
angle MRQ = angle NQR
In ΔQNR and ΔRMQ
∠NQR=∠MRQ (given)
QR = QR (common)
-triangles QNR is congruent to triangles RMQ - ASA - angle side angle
Answer:
Area = 3.5325 ft² ≈ 3.53 ft²
Perimeter = 7.71 ft
Step-by-step explanation:
This is a semi-circle so we just divide the circumference of the original circle by 2
C = 2πr
C = 2 * 3.14 * 1.5
C = 3.14 * 3
C = 9.42
9.42 / 2 = 4.5 + 0.21 = 4.71 ft
4.71 ft + 3 = 7.71 ft
Area:
A = πr²
A = 3.14 * 2.25
A = 7.065 ft²
7.065 ft² = 3.5 + 0.0325 = 3.5325 ft²
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What is the mode of the following numbers?<br>
10, 6, 4, 4, 6, 4, 110, 6, 4, 4, 6, 4, 1
mash [69]
Answer:
4
Step-by-step explanation:
The mode is the number that appears the most in a set of numbers. In this case, it’s 4 :)